Home / 27,692.55-38,200.33-18,147.83

Finding the Fourth Proportional to 27,692.55, 38,200.33 and 18,147.83

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Solution

The fourth proportional to 27,692.55, 38,200.33 and 18,147.83 is: 25,033.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,692.55 : 38,200.33 = 18,147.83 : x
  2. Step 2: Convert to fraction form
    27,692.55/38,200.33 = 18,147.83/x
  3. Step 3: Cross multiply
    27,692.55x = 38,200.33 × 18,147.83
  4. Step 4: Simplify right side
    27,692.55x = 693,253,049.41
  5. Step 5: Solve for x
    x = 693,253,049.41/27,692.55
  6. Step 6: Final answer
    x = 25,033.92

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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.