Home / 19,745.70-27,249.05-11,248.61

Finding the Fourth Proportional to 19,745.70, 27,249.05 and 11,248.61

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Solution

The fourth proportional to 19,745.70, 27,249.05 and 11,248.61 is: 15,523.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,745.70 : 27,249.05 = 11,248.61 : x
  2. Step 2: Convert to fraction form
    19,745.70/27,249.05 = 11,248.61/x
  3. Step 3: Cross multiply
    19,745.70x = 27,249.05 × 11,248.61
  4. Step 4: Simplify right side
    19,745.70x = 306,513,743.83
  5. Step 5: Solve for x
    x = 306,513,743.83/19,745.70
  6. Step 6: Final answer
    x = 15,523.06

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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.