Home / 20,575.72-30,867.42-6,734.44

Finding the Fourth Proportional to 20,575.72, 30,867.42 and 6,734.44

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Solution

The fourth proportional to 20,575.72, 30,867.42 and 6,734.44 is: 10,102.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,575.72 : 30,867.42 = 6,734.44 : x
  2. Step 2: Convert to fraction form
    20,575.72/30,867.42 = 6,734.44/x
  3. Step 3: Cross multiply
    20,575.72x = 30,867.42 × 6,734.44
  4. Step 4: Simplify right side
    20,575.72x = 207,874,787.94
  5. Step 5: Solve for x
    x = 207,874,787.94/20,575.72
  6. Step 6: Final answer
    x = 10,102.92

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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.