Question

3:4:x: 20 find value of x​

Answer 1

15...................

Answer 2

Given :

• 3 : 4 :: x : 20

To Find :

• Value of x

Solution :

• We know that , product of extremes = product of means
• Here , extremes are 3 and 20 , means are 4 and x

$\leadsto \sf 3 \times 20\:=\: 4 \times x$

$\leadsto \sf 60\:=\:4x$

$\leadsto \sf x\:=\: \dfrac{60}{4}$

$\leadsto \sf x\:=\:15$

• Value of x is 15

_________________________