Home / 19,976.32-29,969.08-5,936.04

Finding the Fourth Proportional to 19,976.32, 29,969.08 and 5,936.04

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Solution

The fourth proportional to 19,976.32, 29,969.08 and 5,936.04 is: 8,905.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,976.32 : 29,969.08 = 5,936.04 : x
  2. Step 2: Convert to fraction form
    19,976.32/29,969.08 = 5,936.04/x
  3. Step 3: Cross multiply
    19,976.32x = 29,969.08 × 5,936.04
  4. Step 4: Simplify right side
    19,976.32x = 177,897,657.64
  5. Step 5: Solve for x
    x = 177,897,657.64/19,976.32
  6. Step 6: Final answer
    x = 8,905.43

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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.