Home / 22,609.20-31,167.92-15,874.32

Finding the Fourth Proportional to 22,609.20, 31,167.92 and 15,874.32

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Solution

The fourth proportional to 22,609.20, 31,167.92 and 15,874.32 is: 21,883.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,609.20 : 31,167.92 = 15,874.32 : x
  2. Step 2: Convert to fraction form
    22,609.20/31,167.92 = 15,874.32/x
  3. Step 3: Cross multiply
    22,609.20x = 31,167.92 × 15,874.32
  4. Step 4: Simplify right side
    22,609.20x = 494,769,535.81
  5. Step 5: Solve for x
    x = 494,769,535.81/22,609.20
  6. Step 6: Final answer
    x = 21,883.55

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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.