Home / 14,939.20-22,408.80-3,845.89

Finding the Fourth Proportional to 14,939.20, 22,408.80 and 3,845.89

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Solution

The fourth proportional to 14,939.20, 22,408.80 and 3,845.89 is: 5,768.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939.20 : 22,408.80 = 3,845.89 : x
  2. Step 2: Convert to fraction form
    14,939.20/22,408.80 = 3,845.89/x
  3. Step 3: Cross multiply
    14,939.20x = 22,408.80 × 3,845.89
  4. Step 4: Simplify right side
    14,939.20x = 86,181,779.83
  5. Step 5: Solve for x
    x = 86,181,779.83/14,939.20
  6. Step 6: Final answer
    x = 5,768.84

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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.