Home / 15,201.30-22,809.96-10,787.47

Finding the Fourth Proportional to 15,201.30, 22,809.96 and 10,787.47

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Solution

The fourth proportional to 15,201.30, 22,809.96 and 10,787.47 is: 16,186.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,201.30 : 22,809.96 = 10,787.47 : x
  2. Step 2: Convert to fraction form
    15,201.30/22,809.96 = 10,787.47/x
  3. Step 3: Cross multiply
    15,201.30x = 22,809.96 × 10,787.47
  4. Step 4: Simplify right side
    15,201.30x = 246,061,759.20
  5. Step 5: Solve for x
    x = 246,061,759.20/15,201.30
  6. Step 6: Final answer
    x = 16,186.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.