Home / 16,863.67-23,270.11-9,788.73

Finding the Fourth Proportional to 16,863.67, 23,270.11 and 9,788.73

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Solution

The fourth proportional to 16,863.67, 23,270.11 and 9,788.73 is: 13,507.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,863.67 : 23,270.11 = 9,788.73 : x
  2. Step 2: Convert to fraction form
    16,863.67/23,270.11 = 9,788.73/x
  3. Step 3: Cross multiply
    16,863.67x = 23,270.11 × 9,788.73
  4. Step 4: Simplify right side
    16,863.67x = 227,784,823.86
  5. Step 5: Solve for x
    x = 227,784,823.86/16,863.67
  6. Step 6: Final answer
    x = 13,507.43

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Double scale
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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.