Home / 19,692.20-29,538.30-6,546.60

Finding the Fourth Proportional to 19,692.20, 29,538.30 and 6,546.60

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Solution

The fourth proportional to 19,692.20, 29,538.30 and 6,546.60 is: 9,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,692.20 : 29,538.30 = 6,546.60 : x
  2. Step 2: Convert to fraction form
    19,692.20/29,538.30 = 6,546.60/x
  3. Step 3: Cross multiply
    19,692.20x = 29,538.30 × 6,546.60
  4. Step 4: Simplify right side
    19,692.20x = 193,375,434.78
  5. Step 5: Solve for x
    x = 193,375,434.78/19,692.20
  6. Step 6: Final answer
    x = 9,819.90

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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.