Home / 38,385.72-57,565.72-14,687.76

Finding the Fourth Proportional to 38,385.72, 57,565.72 and 14,687.76

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Solution

The fourth proportional to 38,385.72, 57,565.72 and 14,687.76 is: 22,026.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,385.72 : 57,565.72 = 14,687.76 : x
  2. Step 2: Convert to fraction form
    38,385.72/57,565.72 = 14,687.76/x
  3. Step 3: Cross multiply
    38,385.72x = 57,565.72 × 14,687.76
  4. Step 4: Simplify right side
    38,385.72x = 845,511,191.76
  5. Step 5: Solve for x
    x = 845,511,191.76/38,385.72
  6. Step 6: Final answer
    x = 22,026.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.