Home / 15,169.82-22,754.72-4,782.38

Finding the Fourth Proportional to 15,169.82, 22,754.72 and 4,782.38

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Solution

The fourth proportional to 15,169.82, 22,754.72 and 4,782.38 is: 7,173.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,169.82 : 22,754.72 = 4,782.38 : x
  2. Step 2: Convert to fraction form
    15,169.82/22,754.72 = 4,782.38/x
  3. Step 3: Cross multiply
    15,169.82x = 22,754.72 × 4,782.38
  4. Step 4: Simplify right side
    15,169.82x = 108,821,616.02
  5. Step 5: Solve for x
    x = 108,821,616.02/15,169.82
  6. Step 6: Final answer
    x = 7,173.56

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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.