Home / 13,249.80-19,845.90-8,046.60

Finding the Fourth Proportional to 13,249.80, 19,845.90 and 8,046.60

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Solution

The fourth proportional to 13,249.80, 19,845.90 and 8,046.60 is: 12,052.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.80 : 19,845.90 = 8,046.60 : x
  2. Step 2: Convert to fraction form
    13,249.80/19,845.90 = 8,046.60/x
  3. Step 3: Cross multiply
    13,249.80x = 19,845.90 × 8,046.60
  4. Step 4: Simplify right side
    13,249.80x = 159,692,018.94
  5. Step 5: Solve for x
    x = 159,692,018.94/13,249.80
  6. Step 6: Final answer
    x = 12,052.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.