Home / 19,992.36-27,589.68-11,039.85

Finding the Fourth Proportional to 19,992.36, 27,589.68 and 11,039.85

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Solution

The fourth proportional to 19,992.36, 27,589.68 and 11,039.85 is: 15,235.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,992.36 : 27,589.68 = 11,039.85 : x
  2. Step 2: Convert to fraction form
    19,992.36/27,589.68 = 11,039.85/x
  3. Step 3: Cross multiply
    19,992.36x = 27,589.68 × 11,039.85
  4. Step 4: Simplify right side
    19,992.36x = 304,585,928.75
  5. Step 5: Solve for x
    x = 304,585,928.75/19,992.36
  6. Step 6: Final answer
    x = 15,235.12

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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.