Home / 18,192.62-27,261.12-12,247.50

Finding the Fourth Proportional to 18,192.62, 27,261.12 and 12,247.50

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Solution

The fourth proportional to 18,192.62, 27,261.12 and 12,247.50 is: 18,352.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192.62 : 27,261.12 = 12,247.50 : x
  2. Step 2: Convert to fraction form
    18,192.62/27,261.12 = 12,247.50/x
  3. Step 3: Cross multiply
    18,192.62x = 27,261.12 × 12,247.50
  4. Step 4: Simplify right side
    18,192.62x = 333,880,567.20
  5. Step 5: Solve for x
    x = 333,880,567.20/18,192.62
  6. Step 6: Final answer
    x = 18,352.53

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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.