Home / 19,631.11-27,091.62-11,249.23

Finding the Fourth Proportional to 19,631.11, 27,091.62 and 11,249.23

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Solution

The fourth proportional to 19,631.11, 27,091.62 and 11,249.23 is: 15,524.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631.11 : 27,091.62 = 11,249.23 : x
  2. Step 2: Convert to fraction form
    19,631.11/27,091.62 = 11,249.23/x
  3. Step 3: Cross multiply
    19,631.11x = 27,091.62 × 11,249.23
  4. Step 4: Simplify right side
    19,631.11x = 304,759,864.45
  5. Step 5: Solve for x
    x = 304,759,864.45/19,631.11
  6. Step 6: Final answer
    x = 15,524.33

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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.