Home / 17,092.56-25,640.28-5,405.52

Finding the Fourth Proportional to 17,092.56, 25,640.28 and 5,405.52

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Solution

The fourth proportional to 17,092.56, 25,640.28 and 5,405.52 is: 8,108.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,092.56 : 25,640.28 = 5,405.52 : x
  2. Step 2: Convert to fraction form
    17,092.56/25,640.28 = 5,405.52/x
  3. Step 3: Cross multiply
    17,092.56x = 25,640.28 × 5,405.52
  4. Step 4: Simplify right side
    17,092.56x = 138,599,046.35
  5. Step 5: Solve for x
    x = 138,599,046.35/17,092.56
  6. Step 6: Final answer
    x = 8,108.74

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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.