Home / 20,496.12-30,743.64-5,704.44

Finding the Fourth Proportional to 20,496.12, 30,743.64 and 5,704.44

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Solution

The fourth proportional to 20,496.12, 30,743.64 and 5,704.44 is: 8,556.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496.12 : 30,743.64 = 5,704.44 : x
  2. Step 2: Convert to fraction form
    20,496.12/30,743.64 = 5,704.44/x
  3. Step 3: Cross multiply
    20,496.12x = 30,743.64 × 5,704.44
  4. Step 4: Simplify right side
    20,496.12x = 175,375,249.76
  5. Step 5: Solve for x
    x = 175,375,249.76/20,496.12
  6. Step 6: Final answer
    x = 8,556.51

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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.