Home / 17,127.86-25,691.48-6,739.61

Finding the Fourth Proportional to 17,127.86, 25,691.48 and 6,739.61

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Solution

The fourth proportional to 17,127.86, 25,691.48 and 6,739.61 is: 10,109.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,127.86 : 25,691.48 = 6,739.61 : x
  2. Step 2: Convert to fraction form
    17,127.86/25,691.48 = 6,739.61/x
  3. Step 3: Cross multiply
    17,127.86x = 25,691.48 × 6,739.61
  4. Step 4: Simplify right side
    17,127.86x = 173,150,418.64
  5. Step 5: Solve for x
    x = 173,150,418.64/17,127.86
  6. Step 6: Final answer
    x = 10,109.29

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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.