Home / 22,495.17-31,044.63-13,545.56

Finding the Fourth Proportional to 22,495.17, 31,044.63 and 13,545.56

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Solution

The fourth proportional to 22,495.17, 31,044.63 and 13,545.56 is: 18,693.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,495.17 : 31,044.63 = 13,545.56 : x
  2. Step 2: Convert to fraction form
    22,495.17/31,044.63 = 13,545.56/x
  3. Step 3: Cross multiply
    22,495.17x = 31,044.63 × 13,545.56
  4. Step 4: Simplify right side
    22,495.17x = 420,517,026.75
  5. Step 5: Solve for x
    x = 420,517,026.75/22,495.17
  6. Step 6: Final answer
    x = 18,693.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.