Home / 15,198.85-22,795.99-4,809.25

Finding the Fourth Proportional to 15,198.85, 22,795.99 and 4,809.25

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Solution

The fourth proportional to 15,198.85, 22,795.99 and 4,809.25 is: 7,213.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,198.85 : 22,795.99 = 4,809.25 : x
  2. Step 2: Convert to fraction form
    15,198.85/22,795.99 = 4,809.25/x
  3. Step 3: Cross multiply
    15,198.85x = 22,795.99 × 4,809.25
  4. Step 4: Simplify right side
    15,198.85x = 109,631,614.91
  5. Step 5: Solve for x
    x = 109,631,614.91/15,198.85
  6. Step 6: Final answer
    x = 7,213.15

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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.