Home / 23,731.38-32,748.84-13,120.92

Finding the Fourth Proportional to 23,731.38, 32,748.84 and 13,120.92

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Solution

The fourth proportional to 23,731.38, 32,748.84 and 13,120.92 is: 18,106.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,731.38 : 32,748.84 = 13,120.92 : x
  2. Step 2: Convert to fraction form
    23,731.38/32,748.84 = 13,120.92/x
  3. Step 3: Cross multiply
    23,731.38x = 32,748.84 × 13,120.92
  4. Step 4: Simplify right side
    23,731.38x = 429,694,909.73
  5. Step 5: Solve for x
    x = 429,694,909.73/23,731.38
  6. Step 6: Final answer
    x = 18,106.61

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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.