Home / 17,187.24-25,781.86-5,342.16

Finding the Fourth Proportional to 17,187.24, 25,781.86 and 5,342.16

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Solution

The fourth proportional to 17,187.24, 25,781.86 and 5,342.16 is: 8,013.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,187.24 : 25,781.86 = 5,342.16 : x
  2. Step 2: Convert to fraction form
    17,187.24/25,781.86 = 5,342.16/x
  3. Step 3: Cross multiply
    17,187.24x = 25,781.86 × 5,342.16
  4. Step 4: Simplify right side
    17,187.24x = 137,730,821.22
  5. Step 5: Solve for x
    x = 137,730,821.22/17,187.24
  6. Step 6: Final answer
    x = 8,013.55

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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.