Home / 21,976.97-32,964.99-5,337.09

Finding the Fourth Proportional to 21,976.97, 32,964.99 and 5,337.09

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Solution

The fourth proportional to 21,976.97, 32,964.99 and 5,337.09 is: 8,005.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,976.97 : 32,964.99 = 5,337.09 : x
  2. Step 2: Convert to fraction form
    21,976.97/32,964.99 = 5,337.09/x
  3. Step 3: Cross multiply
    21,976.97x = 32,964.99 × 5,337.09
  4. Step 4: Simplify right side
    21,976.97x = 175,936,953.65
  5. Step 5: Solve for x
    x = 175,936,953.65/21,976.97
  6. Step 6: Final answer
    x = 8,005.52

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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.