Home / 20,773.68-28,626.48-14,794.80

Finding the Fourth Proportional to 20,773.68, 28,626.48 and 14,794.80

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Solution

The fourth proportional to 20,773.68, 28,626.48 and 14,794.80 is: 20,387.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,773.68 : 28,626.48 = 14,794.80 : x
  2. Step 2: Convert to fraction form
    20,773.68/28,626.48 = 14,794.80/x
  3. Step 3: Cross multiply
    20,773.68x = 28,626.48 × 14,794.80
  4. Step 4: Simplify right side
    20,773.68x = 423,523,046.30
  5. Step 5: Solve for x
    x = 423,523,046.30/20,773.68
  6. Step 6: Final answer
    x = 20,387.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.