Home / 19,983.26-27,577.82-11,488.14

Finding the Fourth Proportional to 19,983.26, 27,577.82 and 11,488.14

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Solution

The fourth proportional to 19,983.26, 27,577.82 and 11,488.14 is: 15,854.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983.26 : 27,577.82 = 11,488.14 : x
  2. Step 2: Convert to fraction form
    19,983.26/27,577.82 = 11,488.14/x
  3. Step 3: Cross multiply
    19,983.26x = 27,577.82 × 11,488.14
  4. Step 4: Simplify right side
    19,983.26x = 316,817,857.05
  5. Step 5: Solve for x
    x = 316,817,857.05/19,983.26
  6. Step 6: Final answer
    x = 15,854.16

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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.