Home / 20,884.22-31,327.19-6,845.04

Finding the Fourth Proportional to 20,884.22, 31,327.19 and 6,845.04

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Solution

The fourth proportional to 20,884.22, 31,327.19 and 6,845.04 is: 10,267.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,884.22 : 31,327.19 = 6,845.04 : x
  2. Step 2: Convert to fraction form
    20,884.22/31,327.19 = 6,845.04/x
  3. Step 3: Cross multiply
    20,884.22x = 31,327.19 × 6,845.04
  4. Step 4: Simplify right side
    20,884.22x = 214,435,868.64
  5. Step 5: Solve for x
    x = 214,435,868.64/20,884.22
  6. Step 6: Final answer
    x = 10,267.84

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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.