Home / 19,961.30-27,545.46-11,008.82

Finding the Fourth Proportional to 19,961.30, 27,545.46 and 11,008.82

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Solution

The fourth proportional to 19,961.30, 27,545.46 and 11,008.82 is: 15,191.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.30 : 27,545.46 = 11,008.82 : x
  2. Step 2: Convert to fraction form
    19,961.30/27,545.46 = 11,008.82/x
  3. Step 3: Cross multiply
    19,961.30x = 27,545.46 × 11,008.82
  4. Step 4: Simplify right side
    19,961.30x = 303,243,010.96
  5. Step 5: Solve for x
    x = 303,243,010.96/19,961.30
  6. Step 6: Final answer
    x = 15,191.55

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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.