Home / 25,418.92-38,125.12-6,700.43

Finding the Fourth Proportional to 25,418.92, 38,125.12 and 6,700.43

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Solution

The fourth proportional to 25,418.92, 38,125.12 and 6,700.43 is: 10,049.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,418.92 : 38,125.12 = 6,700.43 : x
  2. Step 2: Convert to fraction form
    25,418.92/38,125.12 = 6,700.43/x
  3. Step 3: Cross multiply
    25,418.92x = 38,125.12 × 6,700.43
  4. Step 4: Simplify right side
    25,418.92x = 255,454,507.18
  5. Step 5: Solve for x
    x = 255,454,507.18/25,418.92
  6. Step 6: Final answer
    x = 10,049.78

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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.