Home / 25,415.90-38,158.79-12,944.33

Finding the Fourth Proportional to 25,415.90, 38,158.79 and 12,944.33

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Solution

The fourth proportional to 25,415.90, 38,158.79 and 12,944.33 is: 19,434.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,415.90 : 38,158.79 = 12,944.33 : x
  2. Step 2: Convert to fraction form
    25,415.90/38,158.79 = 12,944.33/x
  3. Step 3: Cross multiply
    25,415.90x = 38,158.79 × 12,944.33
  4. Step 4: Simplify right side
    25,415.90x = 493,939,857.74
  5. Step 5: Solve for x
    x = 493,939,857.74/25,415.90
  6. Step 6: Final answer
    x = 19,434.29

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