Home / 13,850.12-20,793.63-11,783.41

Finding the Fourth Proportional to 13,850.12, 20,793.63 and 11,783.41

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Solution

The fourth proportional to 13,850.12, 20,793.63 and 11,783.41 is: 17,690.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.12 : 20,793.63 = 11,783.41 : x
  2. Step 2: Convert to fraction form
    13,850.12/20,793.63 = 11,783.41/x
  3. Step 3: Cross multiply
    13,850.12x = 20,793.63 × 11,783.41
  4. Step 4: Simplify right side
    13,850.12x = 245,019,867.68
  5. Step 5: Solve for x
    x = 245,019,867.68/13,850.12
  6. Step 6: Final answer
    x = 17,690.81

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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.