Home / 19,623.97-27,081.79-11,242.09

Finding the Fourth Proportional to 19,623.97, 27,081.79 and 11,242.09

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Solution

The fourth proportional to 19,623.97, 27,081.79 and 11,242.09 is: 15,514.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.97 : 27,081.79 = 11,242.09 : x
  2. Step 2: Convert to fraction form
    19,623.97/27,081.79 = 11,242.09/x
  3. Step 3: Cross multiply
    19,623.97x = 27,081.79 × 11,242.09
  4. Step 4: Simplify right side
    19,623.97x = 304,455,989.52
  5. Step 5: Solve for x
    x = 304,455,989.52/19,623.97
  6. Step 6: Final answer
    x = 15,514.49

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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.