Home / 19,616.54-27,067.43-11,116.89

Finding the Fourth Proportional to 19,616.54, 27,067.43 and 11,116.89

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Solution

The fourth proportional to 19,616.54, 27,067.43 and 11,116.89 is: 15,339.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,616.54 : 27,067.43 = 11,116.89 : x
  2. Step 2: Convert to fraction form
    19,616.54/27,067.43 = 11,116.89/x
  3. Step 3: Cross multiply
    19,616.54x = 27,067.43 × 11,116.89
  4. Step 4: Simplify right side
    19,616.54x = 300,905,669.68
  5. Step 5: Solve for x
    x = 300,905,669.68/19,616.54
  6. Step 6: Final answer
    x = 15,339.39

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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.