Home / 13,831.28-19,090.76-8,530.44

Finding the Fourth Proportional to 13,831.28, 19,090.76 and 8,530.44

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Solution

The fourth proportional to 13,831.28, 19,090.76 and 8,530.44 is: 11,774.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831.28 : 19,090.76 = 8,530.44 : x
  2. Step 2: Convert to fraction form
    13,831.28/19,090.76 = 8,530.44/x
  3. Step 3: Cross multiply
    13,831.28x = 19,090.76 × 8,530.44
  4. Step 4: Simplify right side
    13,831.28x = 162,852,582.73
  5. Step 5: Solve for x
    x = 162,852,582.73/13,831.28
  6. Step 6: Final answer
    x = 11,774.22

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