Home / 16,906.20-25,361.70-5,216.28

Finding the Fourth Proportional to 16,906.20, 25,361.70 and 5,216.28

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Solution

The fourth proportional to 16,906.20, 25,361.70 and 5,216.28 is: 7,825.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,906.20 : 25,361.70 = 5,216.28 : x
  2. Step 2: Convert to fraction form
    16,906.20/25,361.70 = 5,216.28/x
  3. Step 3: Cross multiply
    16,906.20x = 25,361.70 × 5,216.28
  4. Step 4: Simplify right side
    16,906.20x = 132,293,728.48
  5. Step 5: Solve for x
    x = 132,293,728.48/16,906.20
  6. Step 6: Final answer
    x = 7,825.16

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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.