Home / 13,822.82-20,717.82-7,967.33

Finding the Fourth Proportional to 13,822.82, 20,717.82 and 7,967.33

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Solution

The fourth proportional to 13,822.82, 20,717.82 and 7,967.33 is: 11,941.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822.82 : 20,717.82 = 7,967.33 : x
  2. Step 2: Convert to fraction form
    13,822.82/20,717.82 = 7,967.33/x
  3. Step 3: Cross multiply
    13,822.82x = 20,717.82 × 7,967.33
  4. Step 4: Simplify right side
    13,822.82x = 165,065,708.82
  5. Step 5: Solve for x
    x = 165,065,708.82/13,822.82
  6. Step 6: Final answer
    x = 11,941.54

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1.5x scale

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.