Home / 25,579.73-38,377.17-13,108.50

Finding the Fourth Proportional to 25,579.73, 38,377.17 and 13,108.50

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Solution

The fourth proportional to 25,579.73, 38,377.17 and 13,108.50 is: 19,666.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,579.73 : 38,377.17 = 13,108.50 : x
  2. Step 2: Convert to fraction form
    25,579.73/38,377.17 = 13,108.50/x
  3. Step 3: Cross multiply
    25,579.73x = 38,377.17 × 13,108.50
  4. Step 4: Simplify right side
    25,579.73x = 503,067,132.95
  5. Step 5: Solve for x
    x = 503,067,132.95/25,579.73
  6. Step 6: Final answer
    x = 19,666.63

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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.