Home / 19,745.97-27,231.79-16,383.46

Finding the Fourth Proportional to 19,745.97, 27,231.79 and 16,383.46

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Solution

The fourth proportional to 19,745.97, 27,231.79 and 16,383.46 is: 22,594.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,745.97 : 27,231.79 = 16,383.46 : x
  2. Step 2: Convert to fraction form
    19,745.97/27,231.79 = 16,383.46/x
  3. Step 3: Cross multiply
    19,745.97x = 27,231.79 × 16,383.46
  4. Step 4: Simplify right side
    19,745.97x = 446,150,942.19
  5. Step 5: Solve for x
    x = 446,150,942.19/19,745.97
  6. Step 6: Final answer
    x = 22,594.53

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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.