Home / 25,375.73-38,067.69-8,731.70

Finding the Fourth Proportional to 25,375.73, 38,067.69 and 8,731.70

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Solution

The fourth proportional to 25,375.73, 38,067.69 and 8,731.70 is: 13,098.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,375.73 : 38,067.69 = 8,731.70 : x
  2. Step 2: Convert to fraction form
    25,375.73/38,067.69 = 8,731.70/x
  3. Step 3: Cross multiply
    25,375.73x = 38,067.69 × 8,731.70
  4. Step 4: Simplify right side
    25,375.73x = 332,395,648.77
  5. Step 5: Solve for x
    x = 332,395,648.77/25,375.73
  6. Step 6: Final answer
    x = 13,098.96

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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.