Home / 14,760.46-22,147.20-7,738.80

Finding the Fourth Proportional to 14,760.46, 22,147.20 and 7,738.80

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Solution

The fourth proportional to 14,760.46, 22,147.20 and 7,738.80 is: 11,611.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,760.46 : 22,147.20 = 7,738.80 : x
  2. Step 2: Convert to fraction form
    14,760.46/22,147.20 = 7,738.80/x
  3. Step 3: Cross multiply
    14,760.46x = 22,147.20 × 7,738.80
  4. Step 4: Simplify right side
    14,760.46x = 171,392,751.36
  5. Step 5: Solve for x
    x = 171,392,751.36/14,760.46
  6. Step 6: Final answer
    x = 11,611.61

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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.