Home / 18,084.72-27,131.39-7,548.88

Finding the Fourth Proportional to 18,084.72, 27,131.39 and 7,548.88

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Solution

The fourth proportional to 18,084.72, 27,131.39 and 7,548.88 is: 11,325.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,084.72 : 27,131.39 = 7,548.88 : x
  2. Step 2: Convert to fraction form
    18,084.72/27,131.39 = 7,548.88/x
  3. Step 3: Cross multiply
    18,084.72x = 27,131.39 × 7,548.88
  4. Step 4: Simplify right side
    18,084.72x = 204,811,580.95
  5. Step 5: Solve for x
    x = 204,811,580.95/18,084.72
  6. Step 6: Final answer
    x = 11,325.12

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1.5x scale

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.