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Finding the Fourth Proportional to 13,914.46, 19,201.08 and 7,626.88

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Solution

The fourth proportional to 13,914.46, 19,201.08 and 7,626.88 is: 10,524.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.46 : 19,201.08 = 7,626.88 : x
  2. Step 2: Convert to fraction form
    13,914.46/19,201.08 = 7,626.88/x
  3. Step 3: Cross multiply
    13,914.46x = 19,201.08 × 7,626.88
  4. Step 4: Simplify right side
    13,914.46x = 146,444,333.03
  5. Step 5: Solve for x
    x = 146,444,333.03/13,914.46
  6. Step 6: Final answer
    x = 10,524.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.