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Ratio and Proportion

Find x in e...

Question

Find $x$ in each of the following proportion
$18 : x = 27 : 3$

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Solution

$\frac{18}{x} = \frac{27}{3} \Rightarrow \frac{18}{x} = \frac{9}{1} \Rightarrow \frac{2}{x} = 1 \Rightarrow x = 2$

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Similar questions

x

in each of the following proportion

x : 6 :: 55 : 11

Q. Find x in the following proportions:

(i) x : 6 = 55 : 11
(ii) 18 : x = 27 : 3
(iii) 7 : 14 = 15 : x
(iv) 16 : 18 = x : 96

Q. Find the following properties

X : 6 = 55 : 11

18 : X = 27 : 3

Q. Observe the table given below and in each one find whether

x

y

are proportional:

$x$	$5$	$7$	$9$	$15$	$18$	$25$
$y$	$15$	$21$	$27$	$60$	$72$	$75$

x

4, 12, x, 18

are in proportion.

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