Home / 13,755.18-20,620.94-5,850.46

Finding the Fourth Proportional to 13,755.18, 20,620.94 and 5,850.46

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Solution

The fourth proportional to 13,755.18, 20,620.94 and 5,850.46 is: 8,770.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,755.18 : 20,620.94 = 5,850.46 : x
  2. Step 2: Convert to fraction form
    13,755.18/20,620.94 = 5,850.46/x
  3. Step 3: Cross multiply
    13,755.18x = 20,620.94 × 5,850.46
  4. Step 4: Simplify right side
    13,755.18x = 120,641,997.61
  5. Step 5: Solve for x
    x = 120,641,997.61/13,755.18
  6. Step 6: Final answer
    x = 8,770.66

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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.