Home / 27,691.80-38,197.66-19,736.60

Finding the Fourth Proportional to 27,691.80, 38,197.66 and 19,736.60

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Solution

The fourth proportional to 27,691.80, 38,197.66 and 19,736.60 is: 27,224.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,691.80 : 38,197.66 = 19,736.60 : x
  2. Step 2: Convert to fraction form
    27,691.80/38,197.66 = 19,736.60/x
  3. Step 3: Cross multiply
    27,691.80x = 38,197.66 × 19,736.60
  4. Step 4: Simplify right side
    27,691.80x = 753,891,936.36
  5. Step 5: Solve for x
    x = 753,891,936.36/27,691.80
  6. Step 6: Final answer
    x = 27,224.37

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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.