Home / 14,620.50-20,176.26-8,247.07

Finding the Fourth Proportional to 14,620.50, 20,176.26 and 8,247.07

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Solution

The fourth proportional to 14,620.50, 20,176.26 and 8,247.07 is: 11,380.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620.50 : 20,176.26 = 8,247.07 : x
  2. Step 2: Convert to fraction form
    14,620.50/20,176.26 = 8,247.07/x
  3. Step 3: Cross multiply
    14,620.50x = 20,176.26 × 8,247.07
  4. Step 4: Simplify right side
    14,620.50x = 166,395,028.56
  5. Step 5: Solve for x
    x = 166,395,028.56/14,620.50
  6. Step 6: Final answer
    x = 11,380.94

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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.