Home / 17,142.48-25,722.36-6,761.52

Finding the Fourth Proportional to 17,142.48, 25,722.36 and 6,761.52

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Solution

The fourth proportional to 17,142.48, 25,722.36 and 6,761.52 is: 10,145.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,142.48 : 25,722.36 = 6,761.52 : x
  2. Step 2: Convert to fraction form
    17,142.48/25,722.36 = 6,761.52/x
  3. Step 3: Cross multiply
    17,142.48x = 25,722.36 × 6,761.52
  4. Step 4: Simplify right side
    17,142.48x = 173,922,251.59
  5. Step 5: Solve for x
    x = 173,922,251.59/17,142.48
  6. Step 6: Final answer
    x = 10,145.69

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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.