Home / 23,140.78-31,933.47-13,068.34

Finding the Fourth Proportional to 23,140.78, 31,933.47 and 13,068.34

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Solution

The fourth proportional to 23,140.78, 31,933.47 and 13,068.34 is: 18,033.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,140.78 : 31,933.47 = 13,068.34 : x
  2. Step 2: Convert to fraction form
    23,140.78/31,933.47 = 13,068.34/x
  3. Step 3: Cross multiply
    23,140.78x = 31,933.47 × 13,068.34
  4. Step 4: Simplify right side
    23,140.78x = 417,317,443.34
  5. Step 5: Solve for x
    x = 417,317,443.34/23,140.78
  6. Step 6: Final answer
    x = 18,033.85

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