Home / 19,691.08-27,174.36-11,193.55

Finding the Fourth Proportional to 19,691.08, 27,174.36 and 11,193.55

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Solution

The fourth proportional to 19,691.08, 27,174.36 and 11,193.55 is: 15,447.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,691.08 : 27,174.36 = 11,193.55 : x
  2. Step 2: Convert to fraction form
    19,691.08/27,174.36 = 11,193.55/x
  3. Step 3: Cross multiply
    19,691.08x = 27,174.36 × 11,193.55
  4. Step 4: Simplify right side
    19,691.08x = 304,177,557.38
  5. Step 5: Solve for x
    x = 304,177,557.38/19,691.08
  6. Step 6: Final answer
    x = 15,447.48

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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.