Home / 19,863.98-27,414.73-11,480.48

Finding the Fourth Proportional to 19,863.98, 27,414.73 and 11,480.48

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Solution

The fourth proportional to 19,863.98, 27,414.73 and 11,480.48 is: 15,844.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.98 : 27,414.73 = 11,480.48 : x
  2. Step 2: Convert to fraction form
    19,863.98/27,414.73 = 11,480.48/x
  3. Step 3: Cross multiply
    19,863.98x = 27,414.73 × 11,480.48
  4. Step 4: Simplify right side
    19,863.98x = 314,734,361.47
  5. Step 5: Solve for x
    x = 314,734,361.47/19,863.98
  6. Step 6: Final answer
    x = 15,844.47

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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.