Home / 15,151.30-22,723.43-5,787.90

Finding the Fourth Proportional to 15,151.30, 22,723.43 and 5,787.90

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Solution

The fourth proportional to 15,151.30, 22,723.43 and 5,787.90 is: 8,680.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,151.30 : 22,723.43 = 5,787.90 : x
  2. Step 2: Convert to fraction form
    15,151.30/22,723.43 = 5,787.90/x
  3. Step 3: Cross multiply
    15,151.30x = 22,723.43 × 5,787.90
  4. Step 4: Simplify right side
    15,151.30x = 131,520,940.50
  5. Step 5: Solve for x
    x = 131,520,940.50/15,151.30
  6. Step 6: Final answer
    x = 8,680.51

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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.