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Finding the Fourth Proportional to 17,365.18, 25,990.94 and 9,447.92

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Solution

The fourth proportional to 17,365.18, 25,990.94 and 9,447.92 is: 14,140.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,365.18 : 25,990.94 = 9,447.92 : x
  2. Step 2: Convert to fraction form
    17,365.18/25,990.94 = 9,447.92/x
  3. Step 3: Cross multiply
    17,365.18x = 25,990.94 × 9,447.92
  4. Step 4: Simplify right side
    17,365.18x = 245,560,321.84
  5. Step 5: Solve for x
    x = 245,560,321.84/17,365.18
  6. Step 6: Final answer
    x = 14,140.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.