Home / 27,699.18-38,229.26-17,617.11

Finding the Fourth Proportional to 27,699.18, 38,229.26 and 17,617.11

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Solution

The fourth proportional to 27,699.18, 38,229.26 and 17,617.11 is: 24,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699.18 : 38,229.26 = 17,617.11 : x
  2. Step 2: Convert to fraction form
    27,699.18/38,229.26 = 17,617.11/x
  3. Step 3: Cross multiply
    27,699.18x = 38,229.26 × 17,617.11
  4. Step 4: Simplify right side
    27,699.18x = 673,488,990.55
  5. Step 5: Solve for x
    x = 673,488,990.55/27,699.18
  6. Step 6: Final answer
    x = 24,314.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.