Home / 24,909.12-34,374.36-13,731.12

Finding the Fourth Proportional to 24,909.12, 34,374.36 and 13,731.12

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Solution

The fourth proportional to 24,909.12, 34,374.36 and 13,731.12 is: 18,948.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,909.12 : 34,374.36 = 13,731.12 : x
  2. Step 2: Convert to fraction form
    24,909.12/34,374.36 = 13,731.12/x
  3. Step 3: Cross multiply
    24,909.12x = 34,374.36 × 13,731.12
  4. Step 4: Simplify right side
    24,909.12x = 471,998,462.08
  5. Step 5: Solve for x
    x = 471,998,462.08/24,909.12
  6. Step 6: Final answer
    x = 18,948.82

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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.