Home / 19,976.10-29,964.17-6,828.58

Finding the Fourth Proportional to 19,976.10, 29,964.17 and 6,828.58

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Solution

The fourth proportional to 19,976.10, 29,964.17 and 6,828.58 is: 10,242.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,976.10 : 29,964.17 = 6,828.58 : x
  2. Step 2: Convert to fraction form
    19,976.10/29,964.17 = 6,828.58/x
  3. Step 3: Cross multiply
    19,976.10x = 29,964.17 × 6,828.58
  4. Step 4: Simplify right side
    19,976.10x = 204,612,731.98
  5. Step 5: Solve for x
    x = 204,612,731.98/19,976.10
  6. Step 6: Final answer
    x = 10,242.88

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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.