Home / 21,960.75-32,936.20-10,103.14

Finding the Fourth Proportional to 21,960.75, 32,936.20 and 10,103.14

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Solution

The fourth proportional to 21,960.75, 32,936.20 and 10,103.14 is: 15,152.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960.75 : 32,936.20 = 10,103.14 : x
  2. Step 2: Convert to fraction form
    21,960.75/32,936.20 = 10,103.14/x
  3. Step 3: Cross multiply
    21,960.75x = 32,936.20 × 10,103.14
  4. Step 4: Simplify right side
    21,960.75x = 332,759,039.67
  5. Step 5: Solve for x
    x = 332,759,039.67/21,960.75
  6. Step 6: Final answer
    x = 15,152.44

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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.