Home / 16,863.55-23,272.49-9,695.80

Finding the Fourth Proportional to 16,863.55, 23,272.49 and 9,695.80

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Solution

The fourth proportional to 16,863.55, 23,272.49 and 9,695.80 is: 13,380.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,863.55 : 23,272.49 = 9,695.80 : x
  2. Step 2: Convert to fraction form
    16,863.55/23,272.49 = 9,695.80/x
  3. Step 3: Cross multiply
    16,863.55x = 23,272.49 × 9,695.80
  4. Step 4: Simplify right side
    16,863.55x = 225,645,408.54
  5. Step 5: Solve for x
    x = 225,645,408.54/16,863.55
  6. Step 6: Final answer
    x = 13,380.66

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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.