Home / 16,982.44-25,440.53-11,121.28

Finding the Fourth Proportional to 16,982.44, 25,440.53 and 11,121.28

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Solution

The fourth proportional to 16,982.44, 25,440.53 and 11,121.28 is: 16,660.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,982.44 : 25,440.53 = 11,121.28 : x
  2. Step 2: Convert to fraction form
    16,982.44/25,440.53 = 11,121.28/x
  3. Step 3: Cross multiply
    16,982.44x = 25,440.53 × 11,121.28
  4. Step 4: Simplify right side
    16,982.44x = 282,931,201.87
  5. Step 5: Solve for x
    x = 282,931,201.87/16,982.44
  6. Step 6: Final answer
    x = 16,660.22

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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.