Home / 16,788.62-25,153.76-11,780.39

Finding the Fourth Proportional to 16,788.62, 25,153.76 and 11,780.39

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Solution

The fourth proportional to 16,788.62, 25,153.76 and 11,780.39 is: 17,650.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,788.62 : 25,153.76 = 11,780.39 : x
  2. Step 2: Convert to fraction form
    16,788.62/25,153.76 = 11,780.39/x
  3. Step 3: Cross multiply
    16,788.62x = 25,153.76 × 11,780.39
  4. Step 4: Simplify right side
    16,788.62x = 296,320,918.10
  5. Step 5: Solve for x
    x = 296,320,918.10/16,788.62
  6. Step 6: Final answer
    x = 17,650.11

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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.