Home / 12,183.26-18,282.18-11,191.82

Finding the Fourth Proportional to 12,183.26, 18,282.18 and 11,191.82

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Solution

The fourth proportional to 12,183.26, 18,282.18 and 11,191.82 is: 16,794.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.26 : 18,282.18 = 11,191.82 : x
  2. Step 2: Convert to fraction form
    12,183.26/18,282.18 = 11,191.82/x
  3. Step 3: Cross multiply
    12,183.26x = 18,282.18 × 11,191.82
  4. Step 4: Simplify right side
    12,183.26x = 204,610,889.69
  5. Step 5: Solve for x
    x = 204,610,889.69/12,183.26
  6. Step 6: Final answer
    x = 16,794.43

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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.