Home / 25,696.17-38,545.57-8,167.37

Finding the Fourth Proportional to 25,696.17, 38,545.57 and 8,167.37

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Solution

The fourth proportional to 25,696.17, 38,545.57 and 8,167.37 is: 12,251.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,696.17 : 38,545.57 = 8,167.37 : x
  2. Step 2: Convert to fraction form
    25,696.17/38,545.57 = 8,167.37/x
  3. Step 3: Cross multiply
    25,696.17x = 38,545.57 × 8,167.37
  4. Step 4: Simplify right side
    25,696.17x = 314,815,749.53
  5. Step 5: Solve for x
    x = 314,815,749.53/25,696.17
  6. Step 6: Final answer
    x = 12,251.47

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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.