Home / 23,180.31-31,988.84-12,569.96

Finding the Fourth Proportional to 23,180.31, 31,988.84 and 12,569.96

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Solution

The fourth proportional to 23,180.31, 31,988.84 and 12,569.96 is: 17,346.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,180.31 : 31,988.84 = 12,569.96 : x
  2. Step 2: Convert to fraction form
    23,180.31/31,988.84 = 12,569.96/x
  3. Step 3: Cross multiply
    23,180.31x = 31,988.84 × 12,569.96
  4. Step 4: Simplify right side
    23,180.31x = 402,098,439.25
  5. Step 5: Solve for x
    x = 402,098,439.25/23,180.31
  6. Step 6: Final answer
    x = 17,346.55

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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.