Home / 19,992.89-27,589.02-11,040.17

Finding the Fourth Proportional to 19,992.89, 27,589.02 and 11,040.17

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Solution

The fourth proportional to 19,992.89, 27,589.02 and 11,040.17 is: 15,234.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,992.89 : 27,589.02 = 11,040.17 : x
  2. Step 2: Convert to fraction form
    19,992.89/27,589.02 = 11,040.17/x
  3. Step 3: Cross multiply
    19,992.89x = 27,589.02 × 11,040.17
  4. Step 4: Simplify right side
    19,992.89x = 304,587,470.93
  5. Step 5: Solve for x
    x = 304,587,470.93/19,992.89
  6. Step 6: Final answer
    x = 15,234.79

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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.