Home / 18,182.12-27,227.10-11,235.56

Finding the Fourth Proportional to 18,182.12, 27,227.10 and 11,235.56

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Solution

The fourth proportional to 18,182.12, 27,227.10 and 11,235.56 is: 16,824.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,182.12 : 27,227.10 = 11,235.56 : x
  2. Step 2: Convert to fraction form
    18,182.12/27,227.10 = 11,235.56/x
  3. Step 3: Cross multiply
    18,182.12x = 27,227.10 × 11,235.56
  4. Step 4: Simplify right side
    18,182.12x = 305,911,715.68
  5. Step 5: Solve for x
    x = 305,911,715.68/18,182.12
  6. Step 6: Final answer
    x = 16,824.87

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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.