Home / 22,831.56-31,506.84-13,399.92

Finding the Fourth Proportional to 22,831.56, 31,506.84 and 13,399.92

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Solution

The fourth proportional to 22,831.56, 31,506.84 and 13,399.92 is: 18,491.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,831.56 : 31,506.84 = 13,399.92 : x
  2. Step 2: Convert to fraction form
    22,831.56/31,506.84 = 13,399.92/x
  3. Step 3: Cross multiply
    22,831.56x = 31,506.84 × 13,399.92
  4. Step 4: Simplify right side
    22,831.56x = 422,189,135.45
  5. Step 5: Solve for x
    x = 422,189,135.45/22,831.56
  6. Step 6: Final answer
    x = 18,491.47

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