Home / 19,961.82-29,947.44-6,814.32

Finding the Fourth Proportional to 19,961.82, 29,947.44 and 6,814.32

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Solution

The fourth proportional to 19,961.82, 29,947.44 and 6,814.32 is: 10,223.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.82 : 29,947.44 = 6,814.32 : x
  2. Step 2: Convert to fraction form
    19,961.82/29,947.44 = 6,814.32/x
  3. Step 3: Cross multiply
    19,961.82x = 29,947.44 × 6,814.32
  4. Step 4: Simplify right side
    19,961.82x = 204,071,439.34
  5. Step 5: Solve for x
    x = 204,071,439.34/19,961.82
  6. Step 6: Final answer
    x = 10,223.09

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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.