Home / 27,198.57-40,789.66-10,554.90

Finding the Fourth Proportional to 27,198.57, 40,789.66 and 10,554.90

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Solution

The fourth proportional to 27,198.57, 40,789.66 and 10,554.90 is: 15,829.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,198.57 : 40,789.66 = 10,554.90 : x
  2. Step 2: Convert to fraction form
    27,198.57/40,789.66 = 10,554.90/x
  3. Step 3: Cross multiply
    27,198.57x = 40,789.66 × 10,554.90
  4. Step 4: Simplify right side
    27,198.57x = 430,530,782.33
  5. Step 5: Solve for x
    x = 430,530,782.33/27,198.57
  6. Step 6: Final answer
    x = 15,829.17

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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.