Home / 13,946.84-20,920.28-9,805.36

Finding the Fourth Proportional to 13,946.84, 20,920.28 and 9,805.36

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Solution

The fourth proportional to 13,946.84, 20,920.28 and 9,805.36 is: 14,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,946.84 : 20,920.28 = 9,805.36 : x
  2. Step 2: Convert to fraction form
    13,946.84/20,920.28 = 9,805.36/x
  3. Step 3: Cross multiply
    13,946.84x = 20,920.28 × 9,805.36
  4. Step 4: Simplify right side
    13,946.84x = 205,130,876.70
  5. Step 5: Solve for x
    x = 205,130,876.70/13,946.84
  6. Step 6: Final answer
    x = 14,708.05

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