Home / 27,198.63-40,815.23-11,616.39

Finding the Fourth Proportional to 27,198.63, 40,815.23 and 11,616.39

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Solution

The fourth proportional to 27,198.63, 40,815.23 and 11,616.39 is: 17,431.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,198.63 : 40,815.23 = 11,616.39 : x
  2. Step 2: Convert to fraction form
    27,198.63/40,815.23 = 11,616.39/x
  3. Step 3: Cross multiply
    27,198.63x = 40,815.23 × 11,616.39
  4. Step 4: Simplify right side
    27,198.63x = 474,125,571.54
  5. Step 5: Solve for x
    x = 474,125,571.54/27,198.63
  6. Step 6: Final answer
    x = 17,431.97

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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.