Home / 20,496.38-30,744.02-5,704.70

Finding the Fourth Proportional to 20,496.38, 30,744.02 and 5,704.70

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Solution

The fourth proportional to 20,496.38, 30,744.02 and 5,704.70 is: 8,556.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496.38 : 30,744.02 = 5,704.70 : x
  2. Step 2: Convert to fraction form
    20,496.38/30,744.02 = 5,704.70/x
  3. Step 3: Cross multiply
    20,496.38x = 30,744.02 × 5,704.70
  4. Step 4: Simplify right side
    20,496.38x = 175,385,271.44
  5. Step 5: Solve for x
    x = 175,385,271.44/20,496.38
  6. Step 6: Final answer
    x = 8,556.89

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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.