Home / 14,614.80-21,922.20-10,872.60

Finding the Fourth Proportional to 14,614.80, 21,922.20 and 10,872.60

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Solution

The fourth proportional to 14,614.80, 21,922.20 and 10,872.60 is: 16,308.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.80 : 21,922.20 = 10,872.60 : x
  2. Step 2: Convert to fraction form
    14,614.80/21,922.20 = 10,872.60/x
  3. Step 3: Cross multiply
    14,614.80x = 21,922.20 × 10,872.60
  4. Step 4: Simplify right side
    14,614.80x = 238,351,311.72
  5. Step 5: Solve for x
    x = 238,351,311.72/14,614.80
  6. Step 6: Final answer
    x = 16,308.90

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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.