Home / 19,731.94-27,230.72-11,348.44

Finding the Fourth Proportional to 19,731.94, 27,230.72 and 11,348.44

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Solution

The fourth proportional to 19,731.94, 27,230.72 and 11,348.44 is: 15,661.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,731.94 : 27,230.72 = 11,348.44 : x
  2. Step 2: Convert to fraction form
    19,731.94/27,230.72 = 11,348.44/x
  3. Step 3: Cross multiply
    19,731.94x = 27,230.72 × 11,348.44
  4. Step 4: Simplify right side
    19,731.94x = 309,026,067.26
  5. Step 5: Solve for x
    x = 309,026,067.26/19,731.94
  6. Step 6: Final answer
    x = 15,661.21

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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.