Home / 14,234.67-21,349.49-3,847.23

Finding the Fourth Proportional to 14,234.67, 21,349.49 and 3,847.23

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Solution

The fourth proportional to 14,234.67, 21,349.49 and 3,847.23 is: 5,770.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,234.67 : 21,349.49 = 3,847.23 : x
  2. Step 2: Convert to fraction form
    14,234.67/21,349.49 = 3,847.23/x
  3. Step 3: Cross multiply
    14,234.67x = 21,349.49 × 3,847.23
  4. Step 4: Simplify right side
    14,234.67x = 82,136,379.18
  5. Step 5: Solve for x
    x = 82,136,379.18/14,234.67
  6. Step 6: Final answer
    x = 5,770.16

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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.