Home / 16,896.80-25,361.40-8,586.20

Finding the Fourth Proportional to 16,896.80, 25,361.40 and 8,586.20

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Solution

The fourth proportional to 16,896.80, 25,361.40 and 8,586.20 is: 12,887.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,896.80 : 25,361.40 = 8,586.20 : x
  2. Step 2: Convert to fraction form
    16,896.80/25,361.40 = 8,586.20/x
  3. Step 3: Cross multiply
    16,896.80x = 25,361.40 × 8,586.20
  4. Step 4: Simplify right side
    16,896.80x = 217,758,052.68
  5. Step 5: Solve for x
    x = 217,758,052.68/16,896.80
  6. Step 6: Final answer
    x = 12,887.53

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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.