Home / 22,964.44-31,687.14-13,531.72

Finding the Fourth Proportional to 22,964.44, 31,687.14 and 13,531.72

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Solution

The fourth proportional to 22,964.44, 31,687.14 and 13,531.72 is: 18,671.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,964.44 : 31,687.14 = 13,531.72 : x
  2. Step 2: Convert to fraction form
    22,964.44/31,687.14 = 13,531.72/x
  3. Step 3: Cross multiply
    22,964.44x = 31,687.14 × 13,531.72
  4. Step 4: Simplify right side
    22,964.44x = 428,781,506.08
  5. Step 5: Solve for x
    x = 428,781,506.08/22,964.44
  6. Step 6: Final answer
    x = 18,671.54

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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.