Home / 18,446.52-25,452.39-11,729.73

Finding the Fourth Proportional to 18,446.52, 25,452.39 and 11,729.73

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Solution

The fourth proportional to 18,446.52, 25,452.39 and 11,729.73 is: 16,184.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,446.52 : 25,452.39 = 11,729.73 : x
  2. Step 2: Convert to fraction form
    18,446.52/25,452.39 = 11,729.73/x
  3. Step 3: Cross multiply
    18,446.52x = 25,452.39 × 11,729.73
  4. Step 4: Simplify right side
    18,446.52x = 298,549,662.55
  5. Step 5: Solve for x
    x = 298,549,662.55/18,446.52
  6. Step 6: Final answer
    x = 16,184.61

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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.