Home / 19,418.48-29,093.16-8,149.04

Finding the Fourth Proportional to 19,418.48, 29,093.16 and 8,149.04

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Solution

The fourth proportional to 19,418.48, 29,093.16 and 8,149.04 is: 12,209.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.48 : 29,093.16 = 8,149.04 : x
  2. Step 2: Convert to fraction form
    19,418.48/29,093.16 = 8,149.04/x
  3. Step 3: Cross multiply
    19,418.48x = 29,093.16 × 8,149.04
  4. Step 4: Simplify right side
    19,418.48x = 237,081,324.57
  5. Step 5: Solve for x
    x = 237,081,324.57/19,418.48
  6. Step 6: Final answer
    x = 12,209.06

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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.