Home / 18,634.48-27,951.99-5,483.86

Finding the Fourth Proportional to 18,634.48, 27,951.99 and 5,483.86

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Solution

The fourth proportional to 18,634.48, 27,951.99 and 5,483.86 is: 8,225.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.48 : 27,951.99 = 5,483.86 : x
  2. Step 2: Convert to fraction form
    18,634.48/27,951.99 = 5,483.86/x
  3. Step 3: Cross multiply
    18,634.48x = 27,951.99 × 5,483.86
  4. Step 4: Simplify right side
    18,634.48x = 153,284,799.88
  5. Step 5: Solve for x
    x = 153,284,799.88/18,634.48
  6. Step 6: Final answer
    x = 8,225.87

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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.