Home / 20,147.50-30,222.33-6,297.58

Finding the Fourth Proportional to 20,147.50, 30,222.33 and 6,297.58

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Solution

The fourth proportional to 20,147.50, 30,222.33 and 6,297.58 is: 9,446.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,147.50 : 30,222.33 = 6,297.58 : x
  2. Step 2: Convert to fraction form
    20,147.50/30,222.33 = 6,297.58/x
  3. Step 3: Cross multiply
    20,147.50x = 30,222.33 × 6,297.58
  4. Step 4: Simplify right side
    20,147.50x = 190,327,540.96
  5. Step 5: Solve for x
    x = 190,327,540.96/20,147.50
  6. Step 6: Final answer
    x = 9,446.71

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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.