Home / 18,467.80-27,705.30-7,372.60

Finding the Fourth Proportional to 18,467.80, 27,705.30 and 7,372.60

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Solution

The fourth proportional to 18,467.80, 27,705.30 and 7,372.60 is: 11,060.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,467.80 : 27,705.30 = 7,372.60 : x
  2. Step 2: Convert to fraction form
    18,467.80/27,705.30 = 7,372.60/x
  3. Step 3: Cross multiply
    18,467.80x = 27,705.30 × 7,372.60
  4. Step 4: Simplify right side
    18,467.80x = 204,260,094.78
  5. Step 5: Solve for x
    x = 204,260,094.78/18,467.80
  6. Step 6: Final answer
    x = 11,060.34

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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.