Home / 18,631.02-27,949.03-6,783.26

Finding the Fourth Proportional to 18,631.02, 27,949.03 and 6,783.26

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Solution

The fourth proportional to 18,631.02, 27,949.03 and 6,783.26 is: 10,175.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.02 : 27,949.03 = 6,783.26 : x
  2. Step 2: Convert to fraction form
    18,631.02/27,949.03 = 6,783.26/x
  3. Step 3: Cross multiply
    18,631.02x = 27,949.03 × 6,783.26
  4. Step 4: Simplify right side
    18,631.02x = 189,585,380.53
  5. Step 5: Solve for x
    x = 189,585,380.53/18,631.02
  6. Step 6: Final answer
    x = 10,175.79

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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.