Home / 19,996.38-27,578.31-14,972.56

Finding the Fourth Proportional to 19,996.38, 27,578.31 and 14,972.56

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Solution

The fourth proportional to 19,996.38, 27,578.31 and 14,972.56 is: 20,649.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996.38 : 27,578.31 = 14,972.56 : x
  2. Step 2: Convert to fraction form
    19,996.38/27,578.31 = 14,972.56/x
  3. Step 3: Cross multiply
    19,996.38x = 27,578.31 × 14,972.56
  4. Step 4: Simplify right side
    19,996.38x = 412,917,776.08
  5. Step 5: Solve for x
    x = 412,917,776.08/19,996.38
  6. Step 6: Final answer
    x = 20,649.63

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1.5x scale

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.