Home / 20,507.68-30,766.92-6,468.22

Finding the Fourth Proportional to 20,507.68, 30,766.92 and 6,468.22

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Solution

The fourth proportional to 20,507.68, 30,766.92 and 6,468.22 is: 9,704.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,507.68 : 30,766.92 = 6,468.22 : x
  2. Step 2: Convert to fraction form
    20,507.68/30,766.92 = 6,468.22/x
  3. Step 3: Cross multiply
    20,507.68x = 30,766.92 × 6,468.22
  4. Step 4: Simplify right side
    20,507.68x = 199,007,207.28
  5. Step 5: Solve for x
    x = 199,007,207.28/20,507.68
  6. Step 6: Final answer
    x = 9,704.03

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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.