Home / 20,566.32-30,773.72-18,207.60

Finding the Fourth Proportional to 20,566.32, 30,773.72 and 18,207.60

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Solution

The fourth proportional to 20,566.32, 30,773.72 and 18,207.60 is: 27,244.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.32 : 30,773.72 = 18,207.60 : x
  2. Step 2: Convert to fraction form
    20,566.32/30,773.72 = 18,207.60/x
  3. Step 3: Cross multiply
    20,566.32x = 30,773.72 × 18,207.60
  4. Step 4: Simplify right side
    20,566.32x = 560,315,584.27
  5. Step 5: Solve for x
    x = 560,315,584.27/20,566.32
  6. Step 6: Final answer
    x = 27,244.33

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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.