Home / 13,610.24-20,414.88-4,376

Finding the Fourth Proportional to 13,610.24, 20,414.88 and 4,376

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Solution

The fourth proportional to 13,610.24, 20,414.88 and 4,376 is: 6,563.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610.24 : 20,414.88 = 4,376 : x
  2. Step 2: Convert to fraction form
    13,610.24/20,414.88 = 4,376/x
  3. Step 3: Cross multiply
    13,610.24x = 20,414.88 × 4,376
  4. Step 4: Simplify right side
    13,610.24x = 89,335,514.88
  5. Step 5: Solve for x
    x = 89,335,514.88/13,610.24
  6. Step 6: Final answer
    x = 6,563.85

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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.