Home / 12,882.66-19,318.40-4,450.04

Finding the Fourth Proportional to 12,882.66, 19,318.40 and 4,450.04

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Solution

The fourth proportional to 12,882.66, 19,318.40 and 4,450.04 is: 6,673.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882.66 : 19,318.40 = 4,450.04 : x
  2. Step 2: Convert to fraction form
    12,882.66/19,318.40 = 4,450.04/x
  3. Step 3: Cross multiply
    12,882.66x = 19,318.40 × 4,450.04
  4. Step 4: Simplify right side
    12,882.66x = 85,967,652.74
  5. Step 5: Solve for x
    x = 85,967,652.74/12,882.66
  6. Step 6: Final answer
    x = 6,673.13

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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.