Home / 20,925.74-31,367.40-12,566.60

Finding the Fourth Proportional to 20,925.74, 31,367.40 and 12,566.60

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Solution

The fourth proportional to 20,925.74, 31,367.40 and 12,566.60 is: 18,837.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,925.74 : 31,367.40 = 12,566.60 : x
  2. Step 2: Convert to fraction form
    20,925.74/31,367.40 = 12,566.60/x
  3. Step 3: Cross multiply
    20,925.74x = 31,367.40 × 12,566.60
  4. Step 4: Simplify right side
    20,925.74x = 394,181,568.84
  5. Step 5: Solve for x
    x = 394,181,568.84/20,925.74
  6. Step 6: Final answer
    x = 18,837.16

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