Home / 38,175.92-57,251.33-12,868.64

Finding the Fourth Proportional to 38,175.92, 57,251.33 and 12,868.64

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Solution

The fourth proportional to 38,175.92, 57,251.33 and 12,868.64 is: 19,298.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,175.92 : 57,251.33 = 12,868.64 : x
  2. Step 2: Convert to fraction form
    38,175.92/57,251.33 = 12,868.64/x
  3. Step 3: Cross multiply
    38,175.92x = 57,251.33 × 12,868.64
  4. Step 4: Simplify right side
    38,175.92x = 736,746,755.29
  5. Step 5: Solve for x
    x = 736,746,755.29/38,175.92
  6. Step 6: Final answer
    x = 19,298.73

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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.