Home / 13,583.89-20,380.28-6,564.72

Finding the Fourth Proportional to 13,583.89, 20,380.28 and 6,564.72

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Solution

The fourth proportional to 13,583.89, 20,380.28 and 6,564.72 is: 9,849.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583.89 : 20,380.28 = 6,564.72 : x
  2. Step 2: Convert to fraction form
    13,583.89/20,380.28 = 6,564.72/x
  3. Step 3: Cross multiply
    13,583.89x = 20,380.28 × 6,564.72
  4. Step 4: Simplify right side
    13,583.89x = 133,790,831.72
  5. Step 5: Solve for x
    x = 133,790,831.72/13,583.89
  6. Step 6: Final answer
    x = 9,849.23

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