Home / 13,866.12-20,797.32-5,550.96

Finding the Fourth Proportional to 13,866.12, 20,797.32 and 5,550.96

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Solution

The fourth proportional to 13,866.12, 20,797.32 and 5,550.96 is: 8,325.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866.12 : 20,797.32 = 5,550.96 : x
  2. Step 2: Convert to fraction form
    13,866.12/20,797.32 = 5,550.96/x
  3. Step 3: Cross multiply
    13,866.12x = 20,797.32 × 5,550.96
  4. Step 4: Simplify right side
    13,866.12x = 115,445,091.43
  5. Step 5: Solve for x
    x = 115,445,091.43/13,866.12
  6. Step 6: Final answer
    x = 8,325.70

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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.