Home / 25,712.98-38,591.39-10,141.54

Finding the Fourth Proportional to 25,712.98, 38,591.39 and 10,141.54

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Solution

The fourth proportional to 25,712.98, 38,591.39 and 10,141.54 is: 15,220.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,712.98 : 38,591.39 = 10,141.54 : x
  2. Step 2: Convert to fraction form
    25,712.98/38,591.39 = 10,141.54/x
  3. Step 3: Cross multiply
    25,712.98x = 38,591.39 × 10,141.54
  4. Step 4: Simplify right side
    25,712.98x = 391,376,074.63
  5. Step 5: Solve for x
    x = 391,376,074.63/25,712.98
  6. Step 6: Final answer
    x = 15,220.95

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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.