Home / 17,128.62-25,655.79-16,710.48

Finding the Fourth Proportional to 17,128.62, 25,655.79 and 16,710.48

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Solution

The fourth proportional to 17,128.62, 25,655.79 and 16,710.48 is: 25,029.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,128.62 : 25,655.79 = 16,710.48 : x
  2. Step 2: Convert to fraction form
    17,128.62/25,655.79 = 16,710.48/x
  3. Step 3: Cross multiply
    17,128.62x = 25,655.79 × 16,710.48
  4. Step 4: Simplify right side
    17,128.62x = 428,720,565.68
  5. Step 5: Solve for x
    x = 428,720,565.68/17,128.62
  6. Step 6: Final answer
    x = 25,029.49

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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.