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Finding the Fourth Proportional to 16,993.98, 23,451.17 and 9,440.54

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Solution

The fourth proportional to 16,993.98, 23,451.17 and 9,440.54 is: 13,027.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,993.98 : 23,451.17 = 9,440.54 : x
  2. Step 2: Convert to fraction form
    16,993.98/23,451.17 = 9,440.54/x
  3. Step 3: Cross multiply
    16,993.98x = 23,451.17 × 9,440.54
  4. Step 4: Simplify right side
    16,993.98x = 221,391,543.97
  5. Step 5: Solve for x
    x = 221,391,543.97/16,993.98
  6. Step 6: Final answer
    x = 13,027.65

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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.