Home / 27,103.44-40,613.22-18,799.68

Finding the Fourth Proportional to 27,103.44, 40,613.22 and 18,799.68

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Solution

The fourth proportional to 27,103.44, 40,613.22 and 18,799.68 is: 28,170.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,103.44 : 40,613.22 = 18,799.68 : x
  2. Step 2: Convert to fraction form
    27,103.44/40,613.22 = 18,799.68/x
  3. Step 3: Cross multiply
    27,103.44x = 40,613.22 × 18,799.68
  4. Step 4: Simplify right side
    27,103.44x = 763,515,539.77
  5. Step 5: Solve for x
    x = 763,515,539.77/27,103.44
  6. Step 6: Final answer
    x = 28,170.43

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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.