Home / 19,691.52-27,173.22-11,192.46

Finding the Fourth Proportional to 19,691.52, 27,173.22 and 11,192.46

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Solution

The fourth proportional to 19,691.52, 27,173.22 and 11,192.46 is: 15,444.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,691.52 : 27,173.22 = 11,192.46 : x
  2. Step 2: Convert to fraction form
    19,691.52/27,173.22 = 11,192.46/x
  3. Step 3: Cross multiply
    19,691.52x = 27,173.22 × 11,192.46
  4. Step 4: Simplify right side
    19,691.52x = 304,135,243.10
  5. Step 5: Solve for x
    x = 304,135,243.10/19,691.52
  6. Step 6: Final answer
    x = 15,444.98

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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.