Home / 14,922.56-20,592.80-8,634.80

Finding the Fourth Proportional to 14,922.56, 20,592.80 and 8,634.80

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Solution

The fourth proportional to 14,922.56, 20,592.80 and 8,634.80 is: 11,915.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,922.56 : 20,592.80 = 8,634.80 : x
  2. Step 2: Convert to fraction form
    14,922.56/20,592.80 = 8,634.80/x
  3. Step 3: Cross multiply
    14,922.56x = 20,592.80 × 8,634.80
  4. Step 4: Simplify right side
    14,922.56x = 177,814,709.44
  5. Step 5: Solve for x
    x = 177,814,709.44/14,922.56
  6. Step 6: Final answer
    x = 11,915.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.