Home / 19,737.25-27,249.56-12,676.12

Finding the Fourth Proportional to 19,737.25, 27,249.56 and 12,676.12

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Solution

The fourth proportional to 19,737.25, 27,249.56 and 12,676.12 is: 17,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,737.25 : 27,249.56 = 12,676.12 : x
  2. Step 2: Convert to fraction form
    19,737.25/27,249.56 = 12,676.12/x
  3. Step 3: Cross multiply
    19,737.25x = 27,249.56 × 12,676.12
  4. Step 4: Simplify right side
    19,737.25x = 345,418,629.13
  5. Step 5: Solve for x
    x = 345,418,629.13/19,737.25
  6. Step 6: Final answer
    x = 17,500.85

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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.