Home / 18,568.58-27,847.26-6,721.02

Finding the Fourth Proportional to 18,568.58, 27,847.26 and 6,721.02

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Solution

The fourth proportional to 18,568.58, 27,847.26 and 6,721.02 is: 10,079.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568.58 : 27,847.26 = 6,721.02 : x
  2. Step 2: Convert to fraction form
    18,568.58/27,847.26 = 6,721.02/x
  3. Step 3: Cross multiply
    18,568.58x = 27,847.26 × 6,721.02
  4. Step 4: Simplify right side
    18,568.58x = 187,161,991.41
  5. Step 5: Solve for x
    x = 187,161,991.41/18,568.58
  6. Step 6: Final answer
    x = 10,079.50

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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.