Home / 14,834.94-20,472.22-8,120.60

Finding the Fourth Proportional to 14,834.94, 20,472.22 and 8,120.60

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Solution

The fourth proportional to 14,834.94, 20,472.22 and 8,120.60 is: 11,206.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,834.94 : 20,472.22 = 8,120.60 : x
  2. Step 2: Convert to fraction form
    14,834.94/20,472.22 = 8,120.60/x
  3. Step 3: Cross multiply
    14,834.94x = 20,472.22 × 8,120.60
  4. Step 4: Simplify right side
    14,834.94x = 166,246,729.03
  5. Step 5: Solve for x
    x = 166,246,729.03/14,834.94
  6. Step 6: Final answer
    x = 11,206.43

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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.