Home / 17,013.20-25,520.21-6,481.85

Finding the Fourth Proportional to 17,013.20, 25,520.21 and 6,481.85

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Solution

The fourth proportional to 17,013.20, 25,520.21 and 6,481.85 is: 9,722.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,013.20 : 25,520.21 = 6,481.85 : x
  2. Step 2: Convert to fraction form
    17,013.20/25,520.21 = 6,481.85/x
  3. Step 3: Cross multiply
    17,013.20x = 25,520.21 × 6,481.85
  4. Step 4: Simplify right side
    17,013.20x = 165,418,140.78
  5. Step 5: Solve for x
    x = 165,418,140.78/17,013.20
  6. Step 6: Final answer
    x = 9,722.93

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1.5x scale

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.