Home / 13,918.12-20,871.99-5,595.33

Finding the Fourth Proportional to 13,918.12, 20,871.99 and 5,595.33

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Solution

The fourth proportional to 13,918.12, 20,871.99 and 5,595.33 is: 8,390.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918.12 : 20,871.99 = 5,595.33 : x
  2. Step 2: Convert to fraction form
    13,918.12/20,871.99 = 5,595.33/x
  3. Step 3: Cross multiply
    13,918.12x = 20,871.99 × 5,595.33
  4. Step 4: Simplify right side
    13,918.12x = 116,785,671.81
  5. Step 5: Solve for x
    x = 116,785,671.81/13,918.12
  6. Step 6: Final answer
    x = 8,390.91

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