Home / 17,102.26-25,657.17-5,415.13

Finding the Fourth Proportional to 17,102.26, 25,657.17 and 5,415.13

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Solution

The fourth proportional to 17,102.26, 25,657.17 and 5,415.13 is: 8,123.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,102.26 : 25,657.17 = 5,415.13 : x
  2. Step 2: Convert to fraction form
    17,102.26/25,657.17 = 5,415.13/x
  3. Step 3: Cross multiply
    17,102.26x = 25,657.17 × 5,415.13
  4. Step 4: Simplify right side
    17,102.26x = 138,936,910.98
  5. Step 5: Solve for x
    x = 138,936,910.98/17,102.26
  6. Step 6: Final answer
    x = 8,123.89

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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.