Home / 13,992.33-20,975.29-6,965.69

Finding the Fourth Proportional to 13,992.33, 20,975.29 and 6,965.69

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Solution

The fourth proportional to 13,992.33, 20,975.29 and 6,965.69 is: 10,441.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.33 : 20,975.29 = 6,965.69 : x
  2. Step 2: Convert to fraction form
    13,992.33/20,975.29 = 6,965.69/x
  3. Step 3: Cross multiply
    13,992.33x = 20,975.29 × 6,965.69
  4. Step 4: Simplify right side
    13,992.33x = 146,107,324.07
  5. Step 5: Solve for x
    x = 146,107,324.07/13,992.33
  6. Step 6: Final answer
    x = 10,441.96

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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.