Home / 21,961.19-32,944.94-7,166.45

Finding the Fourth Proportional to 21,961.19, 32,944.94 and 7,166.45

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Solution

The fourth proportional to 21,961.19, 32,944.94 and 7,166.45 is: 10,750.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,961.19 : 32,944.94 = 7,166.45 : x
  2. Step 2: Convert to fraction form
    21,961.19/32,944.94 = 7,166.45/x
  3. Step 3: Cross multiply
    21,961.19x = 32,944.94 × 7,166.45
  4. Step 4: Simplify right side
    21,961.19x = 236,098,229.43
  5. Step 5: Solve for x
    x = 236,098,229.43/21,961.19
  6. Step 6: Final answer
    x = 10,750.70

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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.