Home / 20,024.88-27,631.98-11,072.43

Finding the Fourth Proportional to 20,024.88, 27,631.98 and 11,072.43

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Solution

The fourth proportional to 20,024.88, 27,631.98 and 11,072.43 is: 15,278.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,024.88 : 27,631.98 = 11,072.43 : x
  2. Step 2: Convert to fraction form
    20,024.88/27,631.98 = 11,072.43/x
  3. Step 3: Cross multiply
    20,024.88x = 27,631.98 × 11,072.43
  4. Step 4: Simplify right side
    20,024.88x = 305,953,164.31
  5. Step 5: Solve for x
    x = 305,953,164.31/20,024.88
  6. Step 6: Final answer
    x = 15,278.65

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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.