Home / 19,986.80-27,581.42-11,034.11

Finding the Fourth Proportional to 19,986.80, 27,581.42 and 11,034.11

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Solution

The fourth proportional to 19,986.80, 27,581.42 and 11,034.11 is: 15,226.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986.80 : 27,581.42 = 11,034.11 : x
  2. Step 2: Convert to fraction form
    19,986.80/27,581.42 = 11,034.11/x
  3. Step 3: Cross multiply
    19,986.80x = 27,581.42 × 11,034.11
  4. Step 4: Simplify right side
    19,986.80x = 304,336,422.24
  5. Step 5: Solve for x
    x = 304,336,422.24/19,986.80
  6. Step 6: Final answer
    x = 15,226.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.