Home / 20,826.52-31,243.32-6,782.54

Finding the Fourth Proportional to 20,826.52, 31,243.32 and 6,782.54

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Solution

The fourth proportional to 20,826.52, 31,243.32 and 6,782.54 is: 10,174.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,826.52 : 31,243.32 = 6,782.54 : x
  2. Step 2: Convert to fraction form
    20,826.52/31,243.32 = 6,782.54/x
  3. Step 3: Cross multiply
    20,826.52x = 31,243.32 × 6,782.54
  4. Step 4: Simplify right side
    20,826.52x = 211,908,911.42
  5. Step 5: Solve for x
    x = 211,908,911.42/20,826.52
  6. Step 6: Final answer
    x = 10,174.96

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