Home / 18,672.21-28,016.46-6,193.89

Finding the Fourth Proportional to 18,672.21, 28,016.46 and 6,193.89

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Solution

The fourth proportional to 18,672.21, 28,016.46 and 6,193.89 is: 9,293.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,672.21 : 28,016.46 = 6,193.89 : x
  2. Step 2: Convert to fraction form
    18,672.21/28,016.46 = 6,193.89/x
  3. Step 3: Cross multiply
    18,672.21x = 28,016.46 × 6,193.89
  4. Step 4: Simplify right side
    18,672.21x = 173,530,871.43
  5. Step 5: Solve for x
    x = 173,530,871.43/18,672.21
  6. Step 6: Final answer
    x = 9,293.54

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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.