Home / 22,063.35-30,447.62-11,991.81

Finding the Fourth Proportional to 22,063.35, 30,447.62 and 11,991.81

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Solution

The fourth proportional to 22,063.35, 30,447.62 and 11,991.81 is: 16,548.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,063.35 : 30,447.62 = 11,991.81 : x
  2. Step 2: Convert to fraction form
    22,063.35/30,447.62 = 11,991.81/x
  3. Step 3: Cross multiply
    22,063.35x = 30,447.62 × 11,991.81
  4. Step 4: Simplify right side
    22,063.35x = 365,122,161.06
  5. Step 5: Solve for x
    x = 365,122,161.06/22,063.35
  6. Step 6: Final answer
    x = 16,548.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.