Home / 13,736.37-18,956.21-7,448.75

Finding the Fourth Proportional to 13,736.37, 18,956.21 and 7,448.75

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Solution

The fourth proportional to 13,736.37, 18,956.21 and 7,448.75 is: 10,279.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.37 : 18,956.21 = 7,448.75 : x
  2. Step 2: Convert to fraction form
    13,736.37/18,956.21 = 7,448.75/x
  3. Step 3: Cross multiply
    13,736.37x = 18,956.21 × 7,448.75
  4. Step 4: Simplify right side
    13,736.37x = 141,199,937.21
  5. Step 5: Solve for x
    x = 141,199,937.21/13,736.37
  6. Step 6: Final answer
    x = 10,279.28

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