Home / 15,831.78-23,747.70-5,443.56

Finding the Fourth Proportional to 15,831.78, 23,747.70 and 5,443.56

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Solution

The fourth proportional to 15,831.78, 23,747.70 and 5,443.56 is: 8,165.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,831.78 : 23,747.70 = 5,443.56 : x
  2. Step 2: Convert to fraction form
    15,831.78/23,747.70 = 5,443.56/x
  3. Step 3: Cross multiply
    15,831.78x = 23,747.70 × 5,443.56
  4. Step 4: Simplify right side
    15,831.78x = 129,272,029.81
  5. Step 5: Solve for x
    x = 129,272,029.81/15,831.78
  6. Step 6: Final answer
    x = 8,165.35

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