Home / 19,936.29-27,511.01-11,436.65

Finding the Fourth Proportional to 19,936.29, 27,511.01 and 11,436.65

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Solution

The fourth proportional to 19,936.29, 27,511.01 and 11,436.65 is: 15,781.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936.29 : 27,511.01 = 11,436.65 : x
  2. Step 2: Convert to fraction form
    19,936.29/27,511.01 = 11,436.65/x
  3. Step 3: Cross multiply
    19,936.29x = 27,511.01 × 11,436.65
  4. Step 4: Simplify right side
    19,936.29x = 314,633,735.33
  5. Step 5: Solve for x
    x = 314,633,735.33/19,936.29
  6. Step 6: Final answer
    x = 15,781.96

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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.