Home / 23,380.85-32,266.45-12,770.56

Finding the Fourth Proportional to 23,380.85, 32,266.45 and 12,770.56

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Solution

The fourth proportional to 23,380.85, 32,266.45 and 12,770.56 is: 17,623.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,380.85 : 32,266.45 = 12,770.56 : x
  2. Step 2: Convert to fraction form
    23,380.85/32,266.45 = 12,770.56/x
  3. Step 3: Cross multiply
    23,380.85x = 32,266.45 × 12,770.56
  4. Step 4: Simplify right side
    23,380.85x = 412,060,692.01
  5. Step 5: Solve for x
    x = 412,060,692.01/23,380.85
  6. Step 6: Final answer
    x = 17,623.85

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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.