Home / 16,755.30-23,117.13-9,679.14

Finding the Fourth Proportional to 16,755.30, 23,117.13 and 9,679.14

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Solution

The fourth proportional to 16,755.30, 23,117.13 and 9,679.14 is: 13,354.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,755.30 : 23,117.13 = 9,679.14 : x
  2. Step 2: Convert to fraction form
    16,755.30/23,117.13 = 9,679.14/x
  3. Step 3: Cross multiply
    16,755.30x = 23,117.13 × 9,679.14
  4. Step 4: Simplify right side
    16,755.30x = 223,753,937.67
  5. Step 5: Solve for x
    x = 223,753,937.67/16,755.30
  6. Step 6: Final answer
    x = 13,354.22

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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.