Home / 14,249.76-21,374.37-3,861.54

Finding the Fourth Proportional to 14,249.76, 21,374.37 and 3,861.54

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Solution

The fourth proportional to 14,249.76, 21,374.37 and 3,861.54 is: 5,792.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.76 : 21,374.37 = 3,861.54 : x
  2. Step 2: Convert to fraction form
    14,249.76/21,374.37 = 3,861.54/x
  3. Step 3: Cross multiply
    14,249.76x = 21,374.37 × 3,861.54
  4. Step 4: Simplify right side
    14,249.76x = 82,537,984.73
  5. Step 5: Solve for x
    x = 82,537,984.73/14,249.76
  6. Step 6: Final answer
    x = 5,792.24

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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.