Home / 21,961.05-32,944.77-7,166.33

Finding the Fourth Proportional to 21,961.05, 32,944.77 and 7,166.33

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Solution

The fourth proportional to 21,961.05, 32,944.77 and 7,166.33 is: 10,750.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,961.05 : 32,944.77 = 7,166.33 : x
  2. Step 2: Convert to fraction form
    21,961.05/32,944.77 = 7,166.33/x
  3. Step 3: Cross multiply
    21,961.05x = 32,944.77 × 7,166.33
  4. Step 4: Simplify right side
    21,961.05x = 236,092,928.87
  5. Step 5: Solve for x
    x = 236,092,928.87/21,961.05
  6. Step 6: Final answer
    x = 10,750.53

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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.