Home / 17,661.18-26,498.22-16,617.90

Finding the Fourth Proportional to 17,661.18, 26,498.22 and 16,617.90

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Solution

The fourth proportional to 17,661.18, 26,498.22 and 16,617.90 is: 24,932.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,661.18 : 26,498.22 = 16,617.90 : x
  2. Step 2: Convert to fraction form
    17,661.18/26,498.22 = 16,617.90/x
  3. Step 3: Cross multiply
    17,661.18x = 26,498.22 × 16,617.90
  4. Step 4: Simplify right side
    17,661.18x = 440,344,770.14
  5. Step 5: Solve for x
    x = 440,344,770.14/17,661.18
  6. Step 6: Final answer
    x = 24,932.92

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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.