Home / 20,849.77-31,274.75-5,267.40

Finding the Fourth Proportional to 20,849.77, 31,274.75 and 5,267.40

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Solution

The fourth proportional to 20,849.77, 31,274.75 and 5,267.40 is: 7,901.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,849.77 : 31,274.75 = 5,267.40 : x
  2. Step 2: Convert to fraction form
    20,849.77/31,274.75 = 5,267.40/x
  3. Step 3: Cross multiply
    20,849.77x = 31,274.75 × 5,267.40
  4. Step 4: Simplify right side
    20,849.77x = 164,736,618.15
  5. Step 5: Solve for x
    x = 164,736,618.15/20,849.77
  6. Step 6: Final answer
    x = 7,901.12

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