Home / 19,745.82-27,250.92-11,250.54

Finding the Fourth Proportional to 19,745.82, 27,250.92 and 11,250.54

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Solution

The fourth proportional to 19,745.82, 27,250.92 and 11,250.54 is: 15,526.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,745.82 : 27,250.92 = 11,250.54 : x
  2. Step 2: Convert to fraction form
    19,745.82/27,250.92 = 11,250.54/x
  3. Step 3: Cross multiply
    19,745.82x = 27,250.92 × 11,250.54
  4. Step 4: Simplify right side
    19,745.82x = 306,587,565.50
  5. Step 5: Solve for x
    x = 306,587,565.50/19,745.82
  6. Step 6: Final answer
    x = 15,526.71

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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.