Home / 13,791.89-20,691.77-6,773.93

Finding the Fourth Proportional to 13,791.89, 20,691.77 and 6,773.93

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Solution

The fourth proportional to 13,791.89, 20,691.77 and 6,773.93 is: 10,162.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791.89 : 20,691.77 = 6,773.93 : x
  2. Step 2: Convert to fraction form
    13,791.89/20,691.77 = 6,773.93/x
  3. Step 3: Cross multiply
    13,791.89x = 20,691.77 × 6,773.93
  4. Step 4: Simplify right side
    13,791.89x = 140,164,601.56
  5. Step 5: Solve for x
    x = 140,164,601.56/13,791.89
  6. Step 6: Final answer
    x = 10,162.83

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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.