Home / 27,553.06-41,296.78-19,187.78

Finding the Fourth Proportional to 27,553.06, 41,296.78 and 19,187.78

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Solution

The fourth proportional to 27,553.06, 41,296.78 and 19,187.78 is: 28,758.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,553.06 : 41,296.78 = 19,187.78 : x
  2. Step 2: Convert to fraction form
    27,553.06/41,296.78 = 19,187.78/x
  3. Step 3: Cross multiply
    27,553.06x = 41,296.78 × 19,187.78
  4. Step 4: Simplify right side
    27,553.06x = 792,393,656.58
  5. Step 5: Solve for x
    x = 792,393,656.58/27,553.06
  6. Step 6: Final answer
    x = 28,758.83

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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.