Home / 25,480.46-38,215.49-9,679.96

Finding the Fourth Proportional to 25,480.46, 38,215.49 and 9,679.96

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Solution

The fourth proportional to 25,480.46, 38,215.49 and 9,679.96 is: 14,517.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,480.46 : 38,215.49 = 9,679.96 : x
  2. Step 2: Convert to fraction form
    25,480.46/38,215.49 = 9,679.96/x
  3. Step 3: Cross multiply
    25,480.46x = 38,215.49 × 9,679.96
  4. Step 4: Simplify right side
    25,480.46x = 369,924,414.58
  5. Step 5: Solve for x
    x = 369,924,414.58/25,480.46
  6. Step 6: Final answer
    x = 14,517.96

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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.