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Finding the Fourth Proportional to 13,914.19, 19,201.58 and 7,626.97

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Solution

The fourth proportional to 13,914.19, 19,201.58 and 7,626.97 is: 10,525.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.19 : 19,201.58 = 7,626.97 : x
  2. Step 2: Convert to fraction form
    13,914.19/19,201.58 = 7,626.97/x
  3. Step 3: Cross multiply
    13,914.19x = 19,201.58 × 7,626.97
  4. Step 4: Simplify right side
    13,914.19x = 146,449,845.68
  5. Step 5: Solve for x
    x = 146,449,845.68/13,914.19
  6. Step 6: Final answer
    x = 10,525.22

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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.