Home / 18,305.49-25,264.28-11,591.73

Finding the Fourth Proportional to 18,305.49, 25,264.28 and 11,591.73

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Solution

The fourth proportional to 18,305.49, 25,264.28 and 11,591.73 is: 15,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,305.49 : 25,264.28 = 11,591.73 : x
  2. Step 2: Convert to fraction form
    18,305.49/25,264.28 = 11,591.73/x
  3. Step 3: Cross multiply
    18,305.49x = 25,264.28 × 11,591.73
  4. Step 4: Simplify right side
    18,305.49x = 292,856,654.45
  5. Step 5: Solve for x
    x = 292,856,654.45/18,305.49
  6. Step 6: Final answer
    x = 15,998.30

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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.