Home / 13,766.33-20,650.27-3,904.83

Finding the Fourth Proportional to 13,766.33, 20,650.27 and 3,904.83

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Solution

The fourth proportional to 13,766.33, 20,650.27 and 3,904.83 is: 5,857.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766.33 : 20,650.27 = 3,904.83 : x
  2. Step 2: Convert to fraction form
    13,766.33/20,650.27 = 3,904.83/x
  3. Step 3: Cross multiply
    13,766.33x = 20,650.27 × 3,904.83
  4. Step 4: Simplify right side
    13,766.33x = 80,635,798.69
  5. Step 5: Solve for x
    x = 80,635,798.69/13,766.33
  6. Step 6: Final answer
    x = 5,857.47

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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.