Home / 13,914.66-19,198.41-7,944.18

Finding the Fourth Proportional to 13,914.66, 19,198.41 and 7,944.18

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Solution

The fourth proportional to 13,914.66, 19,198.41 and 7,944.18 is: 10,960.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.66 : 19,198.41 = 7,944.18 : x
  2. Step 2: Convert to fraction form
    13,914.66/19,198.41 = 7,944.18/x
  3. Step 3: Cross multiply
    13,914.66x = 19,198.41 × 7,944.18
  4. Step 4: Simplify right side
    13,914.66x = 152,515,624.75
  5. Step 5: Solve for x
    x = 152,515,624.75/13,914.66
  6. Step 6: Final answer
    x = 10,960.79

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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.