Home / 19,976.25-29,970.33-5,936.74

Finding the Fourth Proportional to 19,976.25, 29,970.33 and 5,936.74

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Solution

The fourth proportional to 19,976.25, 29,970.33 and 5,936.74 is: 8,906.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,976.25 : 29,970.33 = 5,936.74 : x
  2. Step 2: Convert to fraction form
    19,976.25/29,970.33 = 5,936.74/x
  3. Step 3: Cross multiply
    19,976.25x = 29,970.33 × 5,936.74
  4. Step 4: Simplify right side
    19,976.25x = 177,926,056.92
  5. Step 5: Solve for x
    x = 177,926,056.92/19,976.25
  6. Step 6: Final answer
    x = 8,906.88

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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.