Home / 18,614.45-25,687.92-10,230.95

Finding the Fourth Proportional to 18,614.45, 25,687.92 and 10,230.95

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Solution

The fourth proportional to 18,614.45, 25,687.92 and 10,230.95 is: 14,118.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,614.45 : 25,687.92 = 10,230.95 : x
  2. Step 2: Convert to fraction form
    18,614.45/25,687.92 = 10,230.95/x
  3. Step 3: Cross multiply
    18,614.45x = 25,687.92 × 10,230.95
  4. Step 4: Simplify right side
    18,614.45x = 262,811,825.12
  5. Step 5: Solve for x
    x = 262,811,825.12/18,614.45
  6. Step 6: Final answer
    x = 14,118.70

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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.