Home / 22,489.11-31,044.06-13,544.28

Finding the Fourth Proportional to 22,489.11, 31,044.06 and 13,544.28

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Solution

The fourth proportional to 22,489.11, 31,044.06 and 13,544.28 is: 18,696.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,489.11 : 31,044.06 = 13,544.28 : x
  2. Step 2: Convert to fraction form
    22,489.11/31,044.06 = 13,544.28/x
  3. Step 3: Cross multiply
    22,489.11x = 31,044.06 × 13,544.28
  4. Step 4: Simplify right side
    22,489.11x = 420,469,440.98
  5. Step 5: Solve for x
    x = 420,469,440.98/22,489.11
  6. Step 6: Final answer
    x = 18,696.58

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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.