Question 883277
{{{x/(18)=(19)/(18)}}}
Multiply both sides by 18.
{{{x=19}}}
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{{{(21)/x=(13)/(34)}}}
{{{21*34=13*x}}}
{{{x=(21*34)/13}}}
{{{x=714/13}}}
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{{{(12 x)/(38)=(50)/(8)}}}
{{{x=(50/8)(38/12)}}}
{{{x=475/24}}}
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{{{(20)/(36)=(36 x)/(10)}}}
{{{x=(20/36)(10/36)}}}
{{{x=25/162}}}