Home / 20,494.44-28,097.98-20,120.83

Finding the Fourth Proportional to 20,494.44, 28,097.98 and 20,120.83

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Solution

The fourth proportional to 20,494.44, 28,097.98 and 20,120.83 is: 27,585.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,494.44 : 28,097.98 = 20,120.83 : x
  2. Step 2: Convert to fraction form
    20,494.44/28,097.98 = 20,120.83/x
  3. Step 3: Cross multiply
    20,494.44x = 28,097.98 × 20,120.83
  4. Step 4: Simplify right side
    20,494.44x = 565,354,558.38
  5. Step 5: Solve for x
    x = 565,354,558.38/20,494.44
  6. Step 6: Final answer
    x = 27,585.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.