Home / 18,250.43-27,371.49-8,380.22

Finding the Fourth Proportional to 18,250.43, 27,371.49 and 8,380.22

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Solution

The fourth proportional to 18,250.43, 27,371.49 and 8,380.22 is: 12,568.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.43 : 27,371.49 = 8,380.22 : x
  2. Step 2: Convert to fraction form
    18,250.43/27,371.49 = 8,380.22/x
  3. Step 3: Cross multiply
    18,250.43x = 27,371.49 × 8,380.22
  4. Step 4: Simplify right side
    18,250.43x = 229,378,971.07
  5. Step 5: Solve for x
    x = 229,378,971.07/18,250.43
  6. Step 6: Final answer
    x = 12,568.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.