Home / 25,414.52-38,105.17-12,254.45

Finding the Fourth Proportional to 25,414.52, 38,105.17 and 12,254.45

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Solution

The fourth proportional to 25,414.52, 38,105.17 and 12,254.45 is: 18,373.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,414.52 : 38,105.17 = 12,254.45 : x
  2. Step 2: Convert to fraction form
    25,414.52/38,105.17 = 12,254.45/x
  3. Step 3: Cross multiply
    25,414.52x = 38,105.17 × 12,254.45
  4. Step 4: Simplify right side
    25,414.52x = 466,957,965.13
  5. Step 5: Solve for x
    x = 466,957,965.13/25,414.52
  6. Step 6: Final answer
    x = 18,373.67

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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.