Home / 17,209.47-25,811.77-5,521.17

Finding the Fourth Proportional to 17,209.47, 25,811.77 and 5,521.17

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Solution

The fourth proportional to 17,209.47, 25,811.77 and 5,521.17 is: 8,280.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,209.47 : 25,811.77 = 5,521.17 : x
  2. Step 2: Convert to fraction form
    17,209.47/25,811.77 = 5,521.17/x
  3. Step 3: Cross multiply
    17,209.47x = 25,811.77 × 5,521.17
  4. Step 4: Simplify right side
    17,209.47x = 142,511,170.17
  5. Step 5: Solve for x
    x = 142,511,170.17/17,209.47
  6. Step 6: Final answer
    x = 8,280.97

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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.