Home / 18,531.08-27,786.54-6,683.24

Finding the Fourth Proportional to 18,531.08, 27,786.54 and 6,683.24

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Solution

The fourth proportional to 18,531.08, 27,786.54 and 6,683.24 is: 10,021.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531.08 : 27,786.54 = 6,683.24 : x
  2. Step 2: Convert to fraction form
    18,531.08/27,786.54 = 6,683.24/x
  3. Step 3: Cross multiply
    18,531.08x = 27,786.54 × 6,683.24
  4. Step 4: Simplify right side
    18,531.08x = 185,704,115.59
  5. Step 5: Solve for x
    x = 185,704,115.59/18,531.08
  6. Step 6: Final answer
    x = 10,021.22

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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.