Home / 22,881.97-31,576.79-12,672.04

Finding the Fourth Proportional to 22,881.97, 31,576.79 and 12,672.04

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Solution

The fourth proportional to 22,881.97, 31,576.79 and 12,672.04 is: 17,487.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,881.97 : 31,576.79 = 12,672.04 : x
  2. Step 2: Convert to fraction form
    22,881.97/31,576.79 = 12,672.04/x
  3. Step 3: Cross multiply
    22,881.97x = 31,576.79 × 12,672.04
  4. Step 4: Simplify right side
    22,881.97x = 400,142,124.71
  5. Step 5: Solve for x
    x = 400,142,124.71/22,881.97
  6. Step 6: Final answer
    x = 17,487.22

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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.