Home / 28,670.16-42,982.92-13,669.56

Finding the Fourth Proportional to 28,670.16, 42,982.92 and 13,669.56

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Solution

The fourth proportional to 28,670.16, 42,982.92 and 13,669.56 is: 20,493.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,670.16 : 42,982.92 = 13,669.56 : x
  2. Step 2: Convert to fraction form
    28,670.16/42,982.92 = 13,669.56/x
  3. Step 3: Cross multiply
    28,670.16x = 42,982.92 × 13,669.56
  4. Step 4: Simplify right side
    28,670.16x = 587,557,603.92
  5. Step 5: Solve for x
    x = 587,557,603.92/28,670.16
  6. Step 6: Final answer
    x = 20,493.70

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