Home / 22,788.80-34,161.12-8,738.08

Finding the Fourth Proportional to 22,788.80, 34,161.12 and 8,738.08

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Solution

The fourth proportional to 22,788.80, 34,161.12 and 8,738.08 is: 13,098.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,788.80 : 34,161.12 = 8,738.08 : x
  2. Step 2: Convert to fraction form
    22,788.80/34,161.12 = 8,738.08/x
  3. Step 3: Cross multiply
    22,788.80x = 34,161.12 × 8,738.08
  4. Step 4: Simplify right side
    22,788.80x = 298,502,599.45
  5. Step 5: Solve for x
    x = 298,502,599.45/22,788.80
  6. Step 6: Final answer
    x = 13,098.65

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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.