Home / 13,637.91-20,456.86-3,777.18

Finding the Fourth Proportional to 13,637.91, 20,456.86 and 3,777.18

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Solution

The fourth proportional to 13,637.91, 20,456.86 and 3,777.18 is: 5,665.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637.91 : 20,456.86 = 3,777.18 : x
  2. Step 2: Convert to fraction form
    13,637.91/20,456.86 = 3,777.18/x
  3. Step 3: Cross multiply
    13,637.91x = 20,456.86 × 3,777.18
  4. Step 4: Simplify right side
    13,637.91x = 77,269,242.45
  5. Step 5: Solve for x
    x = 77,269,242.45/13,637.91
  6. Step 6: Final answer
    x = 5,665.77

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