Home / 18,217.09-25,139.17-10,150.73

Finding the Fourth Proportional to 18,217.09, 25,139.17 and 10,150.73

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Solution

The fourth proportional to 18,217.09, 25,139.17 and 10,150.73 is: 14,007.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.09 : 25,139.17 = 10,150.73 : x
  2. Step 2: Convert to fraction form
    18,217.09/25,139.17 = 10,150.73/x
  3. Step 3: Cross multiply
    18,217.09x = 25,139.17 × 10,150.73
  4. Step 4: Simplify right side
    18,217.09x = 255,180,927.09
  5. Step 5: Solve for x
    x = 255,180,927.09/18,217.09
  6. Step 6: Final answer
    x = 14,007.78

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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.