Home / 15,150.20-22,725.53-4,761.95

Finding the Fourth Proportional to 15,150.20, 22,725.53 and 4,761.95

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Solution

The fourth proportional to 15,150.20, 22,725.53 and 4,761.95 is: 7,142.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,150.20 : 22,725.53 = 4,761.95 : x
  2. Step 2: Convert to fraction form
    15,150.20/22,725.53 = 4,761.95/x
  3. Step 3: Cross multiply
    15,150.20x = 22,725.53 × 4,761.95
  4. Step 4: Simplify right side
    15,150.20x = 108,217,700.15
  5. Step 5: Solve for x
    x = 108,217,700.15/15,150.20
  6. Step 6: Final answer
    x = 7,142.99

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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.