Home / 18,198.32-25,112.24-10,238.96

Finding the Fourth Proportional to 18,198.32, 25,112.24 and 10,238.96

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Solution

The fourth proportional to 18,198.32, 25,112.24 and 10,238.96 is: 14,128.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198.32 : 25,112.24 = 10,238.96 : x
  2. Step 2: Convert to fraction form
    18,198.32/25,112.24 = 10,238.96/x
  3. Step 3: Cross multiply
    18,198.32x = 25,112.24 × 10,238.96
  4. Step 4: Simplify right side
    18,198.32x = 257,123,220.87
  5. Step 5: Solve for x
    x = 257,123,220.87/18,198.32
  6. Step 6: Final answer
    x = 14,128.95

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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.