Home / 18,229.85-27,443.26-16,396.82

Finding the Fourth Proportional to 18,229.85, 27,443.26 and 16,396.82

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Solution

The fourth proportional to 18,229.85, 27,443.26 and 16,396.82 is: 24,683.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.85 : 27,443.26 = 16,396.82 : x
  2. Step 2: Convert to fraction form
    18,229.85/27,443.26 = 16,396.82/x
  3. Step 3: Cross multiply
    18,229.85x = 27,443.26 × 16,396.82
  4. Step 4: Simplify right side
    18,229.85x = 449,982,222.05
  5. Step 5: Solve for x
    x = 449,982,222.05/18,229.85
  6. Step 6: Final answer
    x = 24,683.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.