Home / 17,191.11-25,669.05-15,400.61

Finding the Fourth Proportional to 17,191.11, 25,669.05 and 15,400.61

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Solution

The fourth proportional to 17,191.11, 25,669.05 and 15,400.61 is: 22,995.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,191.11 : 25,669.05 = 15,400.61 : x
  2. Step 2: Convert to fraction form
    17,191.11/25,669.05 = 15,400.61/x
  3. Step 3: Cross multiply
    17,191.11x = 25,669.05 × 15,400.61
  4. Step 4: Simplify right side
    17,191.11x = 395,319,028.12
  5. Step 5: Solve for x
    x = 395,319,028.12/17,191.11
  6. Step 6: Final answer
    x = 22,995.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.