Home / 19,988.58-27,583.97-11,036.06

Finding the Fourth Proportional to 19,988.58, 27,583.97 and 11,036.06

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Solution

The fourth proportional to 19,988.58, 27,583.97 and 11,036.06 is: 15,229.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988.58 : 27,583.97 = 11,036.06 : x
  2. Step 2: Convert to fraction form
    19,988.58/27,583.97 = 11,036.06/x
  3. Step 3: Cross multiply
    19,988.58x = 27,583.97 × 11,036.06
  4. Step 4: Simplify right side
    19,988.58x = 304,418,347.96
  5. Step 5: Solve for x
    x = 304,418,347.96/19,988.58
  6. Step 6: Final answer
    x = 15,229.61

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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.