Home / 13,697.64-20,550.24-4,932.36

Finding the Fourth Proportional to 13,697.64, 20,550.24 and 4,932.36

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Solution

The fourth proportional to 13,697.64, 20,550.24 and 4,932.36 is: 7,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,697.64 : 20,550.24 = 4,932.36 : x
  2. Step 2: Convert to fraction form
    13,697.64/20,550.24 = 4,932.36/x
  3. Step 3: Cross multiply
    13,697.64x = 20,550.24 × 4,932.36
  4. Step 4: Simplify right side
    13,697.64x = 101,361,181.77
  5. Step 5: Solve for x
    x = 101,361,181.77/13,697.64
  6. Step 6: Final answer
    x = 7,399.90

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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.