Home / 13,671.20-20,508.62-4,788.33

Finding the Fourth Proportional to 13,671.20, 20,508.62 and 4,788.33

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Solution

The fourth proportional to 13,671.20, 20,508.62 and 4,788.33 is: 7,183.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,671.20 : 20,508.62 = 4,788.33 : x
  2. Step 2: Convert to fraction form
    13,671.20/20,508.62 = 4,788.33/x
  3. Step 3: Cross multiply
    13,671.20x = 20,508.62 × 4,788.33
  4. Step 4: Simplify right side
    13,671.20x = 98,202,016.46
  5. Step 5: Solve for x
    x = 98,202,016.46/13,671.20
  6. Step 6: Final answer
    x = 7,183.13

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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.