Home / 19,972.44-27,561.78-11,020.02

Finding the Fourth Proportional to 19,972.44, 27,561.78 and 11,020.02

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Solution

The fourth proportional to 19,972.44, 27,561.78 and 11,020.02 is: 15,207.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.44 : 27,561.78 = 11,020.02 : x
  2. Step 2: Convert to fraction form
    19,972.44/27,561.78 = 11,020.02/x
  3. Step 3: Cross multiply
    19,972.44x = 27,561.78 × 11,020.02
  4. Step 4: Simplify right side
    19,972.44x = 303,731,366.84
  5. Step 5: Solve for x
    x = 303,731,366.84/19,972.44
  6. Step 6: Final answer
    x = 15,207.52

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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.