Home / 13,184.75-19,781.99-6,944.51

Finding the Fourth Proportional to 13,184.75, 19,781.99 and 6,944.51

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Solution

The fourth proportional to 13,184.75, 19,781.99 and 6,944.51 is: 10,419.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.75 : 19,781.99 = 6,944.51 : x
  2. Step 2: Convert to fraction form
    13,184.75/19,781.99 = 6,944.51/x
  3. Step 3: Cross multiply
    13,184.75x = 19,781.99 × 6,944.51
  4. Step 4: Simplify right side
    13,184.75x = 137,376,227.37
  5. Step 5: Solve for x
    x = 137,376,227.37/13,184.75
  6. Step 6: Final answer
    x = 10,419.33

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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.