Home / 19,691.56-27,167.64-11,192.84

Finding the Fourth Proportional to 19,691.56, 27,167.64 and 11,192.84

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Solution

The fourth proportional to 19,691.56, 27,167.64 and 11,192.84 is: 15,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,691.56 : 27,167.64 = 11,192.84 : x
  2. Step 2: Convert to fraction form
    19,691.56/27,167.64 = 11,192.84/x
  3. Step 3: Cross multiply
    19,691.56x = 27,167.64 × 11,192.84
  4. Step 4: Simplify right side
    19,691.56x = 304,083,047.70
  5. Step 5: Solve for x
    x = 304,083,047.70/19,691.56
  6. Step 6: Final answer
    x = 15,442.30

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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.