Home / 16,788.34-25,149.66-12,873.61

Finding the Fourth Proportional to 16,788.34, 25,149.66 and 12,873.61

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Solution

The fourth proportional to 16,788.34, 25,149.66 and 12,873.61 is: 19,285.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,788.34 : 25,149.66 = 12,873.61 : x
  2. Step 2: Convert to fraction form
    16,788.34/25,149.66 = 12,873.61/x
  3. Step 3: Cross multiply
    16,788.34x = 25,149.66 × 12,873.61
  4. Step 4: Simplify right side
    16,788.34x = 323,766,914.47
  5. Step 5: Solve for x
    x = 323,766,914.47/16,788.34
  6. Step 6: Final answer
    x = 19,285.23

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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.