Home / 17,172.56-25,761.24-5,481.80

Finding the Fourth Proportional to 17,172.56, 25,761.24 and 5,481.80

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Solution

The fourth proportional to 17,172.56, 25,761.24 and 5,481.80 is: 8,223.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,172.56 : 25,761.24 = 5,481.80 : x
  2. Step 2: Convert to fraction form
    17,172.56/25,761.24 = 5,481.80/x
  3. Step 3: Cross multiply
    17,172.56x = 25,761.24 × 5,481.80
  4. Step 4: Simplify right side
    17,172.56x = 141,217,965.43
  5. Step 5: Solve for x
    x = 141,217,965.43/17,172.56
  6. Step 6: Final answer
    x = 8,223.47

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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.