Home / 19,696.82-27,181.98-11,199.26

Finding the Fourth Proportional to 19,696.82, 27,181.98 and 11,199.26

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Solution

The fourth proportional to 19,696.82, 27,181.98 and 11,199.26 is: 15,455.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,696.82 : 27,181.98 = 11,199.26 : x
  2. Step 2: Convert to fraction form
    19,696.82/27,181.98 = 11,199.26/x
  3. Step 3: Cross multiply
    19,696.82x = 27,181.98 × 11,199.26
  4. Step 4: Simplify right side
    19,696.82x = 304,418,129.29
  5. Step 5: Solve for x
    x = 304,418,129.29/19,696.82
  6. Step 6: Final answer
    x = 15,455.19

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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.