Home / 20,244.22-27,936.24-11,745.91

Finding the Fourth Proportional to 20,244.22, 27,936.24 and 11,745.91

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Solution

The fourth proportional to 20,244.22, 27,936.24 and 11,745.91 is: 16,208.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244.22 : 27,936.24 = 11,745.91 : x
  2. Step 2: Convert to fraction form
    20,244.22/27,936.24 = 11,745.91/x
  3. Step 3: Cross multiply
    20,244.22x = 27,936.24 × 11,745.91
  4. Step 4: Simplify right side
    20,244.22x = 328,136,560.78
  5. Step 5: Solve for x
    x = 328,136,560.78/20,244.22
  6. Step 6: Final answer
    x = 16,208.90

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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.