Home / 20,868.08-31,307.25-6,077.13

Finding the Fourth Proportional to 20,868.08, 31,307.25 and 6,077.13

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Solution

The fourth proportional to 20,868.08, 31,307.25 and 6,077.13 is: 9,117.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,868.08 : 31,307.25 = 6,077.13 : x
  2. Step 2: Convert to fraction form
    20,868.08/31,307.25 = 6,077.13/x
  3. Step 3: Cross multiply
    20,868.08x = 31,307.25 × 6,077.13
  4. Step 4: Simplify right side
    20,868.08x = 190,258,228.19
  5. Step 5: Solve for x
    x = 190,258,228.19/20,868.08
  6. Step 6: Final answer
    x = 9,117.19

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