Home / 25,286.31-34,906.23-16,338.15

Finding the Fourth Proportional to 25,286.31, 34,906.23 and 16,338.15

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Solution

The fourth proportional to 25,286.31, 34,906.23 and 16,338.15 is: 22,553.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,286.31 : 34,906.23 = 16,338.15 : x
  2. Step 2: Convert to fraction form
    25,286.31/34,906.23 = 16,338.15/x
  3. Step 3: Cross multiply
    25,286.31x = 34,906.23 × 16,338.15
  4. Step 4: Simplify right side
    25,286.31x = 570,303,221.67
  5. Step 5: Solve for x
    x = 570,303,221.67/25,286.31
  6. Step 6: Final answer
    x = 22,553.83

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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.