Home / 19,976.76-29,971.11-5,937.24

Finding the Fourth Proportional to 19,976.76, 29,971.11 and 5,937.24

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Solution

The fourth proportional to 19,976.76, 29,971.11 and 5,937.24 is: 8,907.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,976.76 : 29,971.11 = 5,937.24 : x
  2. Step 2: Convert to fraction form
    19,976.76/29,971.11 = 5,937.24/x
  3. Step 3: Cross multiply
    19,976.76x = 29,971.11 × 5,937.24
  4. Step 4: Simplify right side
    19,976.76x = 177,945,673.14
  5. Step 5: Solve for x
    x = 177,945,673.14/19,976.76
  6. Step 6: Final answer
    x = 8,907.63

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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.