Home / 13,944.44-19,118.56-13,694.96

Finding the Fourth Proportional to 13,944.44, 19,118.56 and 13,694.96

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Solution

The fourth proportional to 13,944.44, 19,118.56 and 13,694.96 is: 18,776.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.44 : 19,118.56 = 13,694.96 : x
  2. Step 2: Convert to fraction form
    13,944.44/19,118.56 = 13,694.96/x
  3. Step 3: Cross multiply
    13,944.44x = 19,118.56 × 13,694.96
  4. Step 4: Simplify right side
    13,944.44x = 261,827,914.46
  5. Step 5: Solve for x
    x = 261,827,914.46/13,944.44
  6. Step 6: Final answer
    x = 18,776.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.