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Finding the Fourth Proportional to 18,134.20, 27,226.26 and 9,375.16

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Solution

The fourth proportional to 18,134.20, 27,226.26 and 9,375.16 is: 14,075.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134.20 : 27,226.26 = 9,375.16 : x
  2. Step 2: Convert to fraction form
    18,134.20/27,226.26 = 9,375.16/x
  3. Step 3: Cross multiply
    18,134.20x = 27,226.26 × 9,375.16
  4. Step 4: Simplify right side
    18,134.20x = 255,250,543.70
  5. Step 5: Solve for x
    x = 255,250,543.70/18,134.20
  6. Step 6: Final answer
    x = 14,075.64

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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.