Home / 16,723.40-23,078.52-9,169.61

Finding the Fourth Proportional to 16,723.40, 23,078.52 and 9,169.61

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Solution

The fourth proportional to 16,723.40, 23,078.52 and 9,169.61 is: 12,654.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,723.40 : 23,078.52 = 9,169.61 : x
  2. Step 2: Convert to fraction form
    16,723.40/23,078.52 = 9,169.61/x
  3. Step 3: Cross multiply
    16,723.40x = 23,078.52 × 9,169.61
  4. Step 4: Simplify right side
    16,723.40x = 211,620,912.38
  5. Step 5: Solve for x
    x = 211,620,912.38/16,723.40
  6. Step 6: Final answer
    x = 12,654.18

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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.