Home / 13,740.33-20,613.29-5,842.83

Finding the Fourth Proportional to 13,740.33, 20,613.29 and 5,842.83

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Solution

The fourth proportional to 13,740.33, 20,613.29 and 5,842.83 is: 8,765.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,740.33 : 20,613.29 = 5,842.83 : x
  2. Step 2: Convert to fraction form
    13,740.33/20,613.29 = 5,842.83/x
  3. Step 3: Cross multiply
    13,740.33x = 20,613.29 × 5,842.83
  4. Step 4: Simplify right side
    13,740.33x = 120,439,997.30
  5. Step 5: Solve for x
    x = 120,439,997.30/13,740.33
  6. Step 6: Final answer
    x = 8,765.43

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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.