Home / 18,634.27-27,951.60-5,486.89

Finding the Fourth Proportional to 18,634.27, 27,951.60 and 5,486.89

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Solution

The fourth proportional to 18,634.27, 27,951.60 and 5,486.89 is: 8,230.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.27 : 27,951.60 = 5,486.89 : x
  2. Step 2: Convert to fraction form
    18,634.27/27,951.60 = 5,486.89/x
  3. Step 3: Cross multiply
    18,634.27x = 27,951.60 × 5,486.89
  4. Step 4: Simplify right side
    18,634.27x = 153,367,354.52
  5. Step 5: Solve for x
    x = 153,367,354.52/18,634.27
  6. Step 6: Final answer
    x = 8,230.39

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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.