Home / 13,693.46-20,540.72-3,833.60

Finding the Fourth Proportional to 13,693.46, 20,540.72 and 3,833.60

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Solution

The fourth proportional to 13,693.46, 20,540.72 and 3,833.60 is: 5,750.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,693.46 : 20,540.72 = 3,833.60 : x
  2. Step 2: Convert to fraction form
    13,693.46/20,540.72 = 3,833.60/x
  3. Step 3: Cross multiply
    13,693.46x = 20,540.72 × 3,833.60
  4. Step 4: Simplify right side
    13,693.46x = 78,744,811.07
  5. Step 5: Solve for x
    x = 78,744,811.07/13,693.46
  6. Step 6: Final answer
    x = 5,750.54

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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.