Home / 16,786.44-25,168.73-6,915.78

Finding the Fourth Proportional to 16,786.44, 25,168.73 and 6,915.78

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Solution

The fourth proportional to 16,786.44, 25,168.73 and 6,915.78 is: 10,369.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786.44 : 25,168.73 = 6,915.78 : x
  2. Step 2: Convert to fraction form
    16,786.44/25,168.73 = 6,915.78/x
  3. Step 3: Cross multiply
    16,786.44x = 25,168.73 × 6,915.78
  4. Step 4: Simplify right side
    16,786.44x = 174,061,364.98
  5. Step 5: Solve for x
    x = 174,061,364.98/16,786.44
  6. Step 6: Final answer
    x = 10,369.16

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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.