Home / 16,330.68-22,538.20-9,162.56

Finding the Fourth Proportional to 16,330.68, 22,538.20 and 9,162.56

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Solution

The fourth proportional to 16,330.68, 22,538.20 and 9,162.56 is: 12,645.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,330.68 : 22,538.20 = 9,162.56 : x
  2. Step 2: Convert to fraction form
    16,330.68/22,538.20 = 9,162.56/x
  3. Step 3: Cross multiply
    16,330.68x = 22,538.20 × 9,162.56
  4. Step 4: Simplify right side
    16,330.68x = 206,507,609.79
  5. Step 5: Solve for x
    x = 206,507,609.79/16,330.68
  6. Step 6: Final answer
    x = 12,645.38

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Find fourth proportional to 8,165.34, 11,269.10 and 4,581.28
Half scale
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Double scale
Find fourth proportional to 16,331.68, 22,539.58 and 9,163.56
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.