Home / 19,480.12-29,225.24-11,169.52

Finding the Fourth Proportional to 19,480.12, 29,225.24 and 11,169.52

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Solution

The fourth proportional to 19,480.12, 29,225.24 and 11,169.52 is: 16,757.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,480.12 : 29,225.24 = 11,169.52 : x
  2. Step 2: Convert to fraction form
    19,480.12/29,225.24 = 11,169.52/x
  3. Step 3: Cross multiply
    19,480.12x = 29,225.24 × 11,169.52
  4. Step 4: Simplify right side
    19,480.12x = 326,431,902.68
  5. Step 5: Solve for x
    x = 326,431,902.68/19,480.12
  6. Step 6: Final answer
    x = 16,757.18

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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.