Home / 25,721.14-38,602.23-10,149.70

Finding the Fourth Proportional to 25,721.14, 38,602.23 and 10,149.70

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Solution

The fourth proportional to 25,721.14, 38,602.23 and 10,149.70 is: 15,232.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,721.14 : 38,602.23 = 10,149.70 : x
  2. Step 2: Convert to fraction form
    25,721.14/38,602.23 = 10,149.70/x
  3. Step 3: Cross multiply
    25,721.14x = 38,602.23 × 10,149.70
  4. Step 4: Simplify right side
    25,721.14x = 391,801,053.83
  5. Step 5: Solve for x
    x = 391,801,053.83/25,721.14
  6. Step 6: Final answer
    x = 15,232.65

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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.