Home / 14,510.20-21,765.32-4,122.04

Finding the Fourth Proportional to 14,510.20, 21,765.32 and 4,122.04

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Solution

The fourth proportional to 14,510.20, 21,765.32 and 4,122.04 is: 6,183.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,510.20 : 21,765.32 = 4,122.04 : x
  2. Step 2: Convert to fraction form
    14,510.20/21,765.32 = 4,122.04/x
  3. Step 3: Cross multiply
    14,510.20x = 21,765.32 × 4,122.04
  4. Step 4: Simplify right side
    14,510.20x = 89,717,519.65
  5. Step 5: Solve for x
    x = 89,717,519.65/14,510.20
  6. Step 6: Final answer
    x = 6,183.07

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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.