Home / 18,324.20-25,286.93-10,257.95

Finding the Fourth Proportional to 18,324.20, 25,286.93 and 10,257.95

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Solution

The fourth proportional to 18,324.20, 25,286.93 and 10,257.95 is: 14,155.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,324.20 : 25,286.93 = 10,257.95 : x
  2. Step 2: Convert to fraction form
    18,324.20/25,286.93 = 10,257.95/x
  3. Step 3: Cross multiply
    18,324.20x = 25,286.93 × 10,257.95
  4. Step 4: Simplify right side
    18,324.20x = 259,392,063.59
  5. Step 5: Solve for x
    x = 259,392,063.59/18,324.20
  6. Step 6: Final answer
    x = 14,155.71

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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.