Home / 18,264.02-27,375.98-7,168.64

Finding the Fourth Proportional to 18,264.02, 27,375.98 and 7,168.64

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Solution

The fourth proportional to 18,264.02, 27,375.98 and 7,168.64 is: 10,745.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264.02 : 27,375.98 = 7,168.64 : x
  2. Step 2: Convert to fraction form
    18,264.02/27,375.98 = 7,168.64/x
  3. Step 3: Cross multiply
    18,264.02x = 27,375.98 × 7,168.64
  4. Step 4: Simplify right side
    18,264.02x = 196,248,372.54
  5. Step 5: Solve for x
    x = 196,248,372.54/18,264.02
  6. Step 6: Final answer
    x = 10,745.08

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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.