Home / 19,988.74-27,584.12-11,036.02

Finding the Fourth Proportional to 19,988.74, 27,584.12 and 11,036.02

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Solution

The fourth proportional to 19,988.74, 27,584.12 and 11,036.02 is: 15,229.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988.74 : 27,584.12 = 11,036.02 : x
  2. Step 2: Convert to fraction form
    19,988.74/27,584.12 = 11,036.02/x
  3. Step 3: Cross multiply
    19,988.74x = 27,584.12 × 11,036.02
  4. Step 4: Simplify right side
    19,988.74x = 304,418,900.00
  5. Step 5: Solve for x
    x = 304,418,900.00/19,988.74
  6. Step 6: Final answer
    x = 15,229.52

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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.