Home / 27,083.60-40,613.12-12,291.92

Finding the Fourth Proportional to 27,083.60, 40,613.12 and 12,291.92

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Solution

The fourth proportional to 27,083.60, 40,613.12 and 12,291.92 is: 18,432.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,083.60 : 40,613.12 = 12,291.92 : x
  2. Step 2: Convert to fraction form
    27,083.60/40,613.12 = 12,291.92/x
  3. Step 3: Cross multiply
    27,083.60x = 40,613.12 × 12,291.92
  4. Step 4: Simplify right side
    27,083.60x = 499,213,221.99
  5. Step 5: Solve for x
    x = 499,213,221.99/27,083.60
  6. Step 6: Final answer
    x = 18,432.31

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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.