Home / 18,788.52-28,180.62-6,308.04

Finding the Fourth Proportional to 18,788.52, 28,180.62 and 6,308.04

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Solution

The fourth proportional to 18,788.52, 28,180.62 and 6,308.04 is: 9,461.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788.52 : 28,180.62 = 6,308.04 : x
  2. Step 2: Convert to fraction form
    18,788.52/28,180.62 = 6,308.04/x
  3. Step 3: Cross multiply
    18,788.52x = 28,180.62 × 6,308.04
  4. Step 4: Simplify right side
    18,788.52x = 177,764,478.18
  5. Step 5: Solve for x
    x = 177,764,478.18/18,788.52
  6. Step 6: Final answer
    x = 9,461.33

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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.