Home / 20,566.46-28,380.10-11,614.85

Finding the Fourth Proportional to 20,566.46, 28,380.10 and 11,614.85

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Solution

The fourth proportional to 20,566.46, 28,380.10 and 11,614.85 is: 16,027.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.46 : 28,380.10 = 11,614.85 : x
  2. Step 2: Convert to fraction form
    20,566.46/28,380.10 = 11,614.85/x
  3. Step 3: Cross multiply
    20,566.46x = 28,380.10 × 11,614.85
  4. Step 4: Simplify right side
    20,566.46x = 329,630,604.49
  5. Step 5: Solve for x
    x = 329,630,604.49/20,566.46
  6. Step 6: Final answer
    x = 16,027.58

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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.