Home / 17,418.12-26,131.11-6,324.78

Finding the Fourth Proportional to 17,418.12, 26,131.11 and 6,324.78

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Solution

The fourth proportional to 17,418.12, 26,131.11 and 6,324.78 is: 9,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,418.12 : 26,131.11 = 6,324.78 : x
  2. Step 2: Convert to fraction form
    17,418.12/26,131.11 = 6,324.78/x
  3. Step 3: Cross multiply
    17,418.12x = 26,131.11 × 6,324.78
  4. Step 4: Simplify right side
    17,418.12x = 165,273,521.91
  5. Step 5: Solve for x
    x = 165,273,521.91/17,418.12
  6. Step 6: Final answer
    x = 9,488.60

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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.