Home / 16,701.60-25,003.17-12,338.54

Finding the Fourth Proportional to 16,701.60, 25,003.17 and 12,338.54

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Solution

The fourth proportional to 16,701.60, 25,003.17 and 12,338.54 is: 18,471.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,701.60 : 25,003.17 = 12,338.54 : x
  2. Step 2: Convert to fraction form
    16,701.60/25,003.17 = 12,338.54/x
  3. Step 3: Cross multiply
    16,701.60x = 25,003.17 × 12,338.54
  4. Step 4: Simplify right side
    16,701.60x = 308,502,488.16
  5. Step 5: Solve for x
    x = 308,502,488.16/16,701.60
  6. Step 6: Final answer
    x = 18,471.43

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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.