Home / 16,723.11-23,078.15-9,170.13

Finding the Fourth Proportional to 16,723.11, 23,078.15 and 9,170.13

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Solution

The fourth proportional to 16,723.11, 23,078.15 and 9,170.13 is: 12,654.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,723.11 : 23,078.15 = 9,170.13 : x
  2. Step 2: Convert to fraction form
    16,723.11/23,078.15 = 9,170.13/x
  3. Step 3: Cross multiply
    16,723.11x = 23,078.15 × 9,170.13
  4. Step 4: Simplify right side
    16,723.11x = 211,629,635.66
  5. Step 5: Solve for x
    x = 211,629,635.66/16,723.11
  6. Step 6: Final answer
    x = 12,654.92

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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.