Home / 14,363.40-21,543.38-3,834.21

Finding the Fourth Proportional to 14,363.40, 21,543.38 and 3,834.21

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Solution

The fourth proportional to 14,363.40, 21,543.38 and 3,834.21 is: 5,750.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,363.40 : 21,543.38 = 3,834.21 : x
  2. Step 2: Convert to fraction form
    14,363.40/21,543.38 = 3,834.21/x
  3. Step 3: Cross multiply
    14,363.40x = 21,543.38 × 3,834.21
  4. Step 4: Simplify right side
    14,363.40x = 82,601,843.03
  5. Step 5: Solve for x
    x = 82,601,843.03/14,363.40
  6. Step 6: Final answer
    x = 5,750.86

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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.