Home / 14,106.82-21,174-6,716.38

Finding the Fourth Proportional to 14,106.82, 21,174 and 6,716.38

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Solution

The fourth proportional to 14,106.82, 21,174 and 6,716.38 is: 10,081.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.82 : 21,174 = 6,716.38 : x
  2. Step 2: Convert to fraction form
    14,106.82/21,174 = 6,716.38/x
  3. Step 3: Cross multiply
    14,106.82x = 21,174 × 6,716.38
  4. Step 4: Simplify right side
    14,106.82x = 142,212,630.12
  5. Step 5: Solve for x
    x = 142,212,630.12/14,106.82
  6. Step 6: Final answer
    x = 10,081.13

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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.