Home / 22,002.12-30,362.83-11,930.53

Finding the Fourth Proportional to 22,002.12, 30,362.83 and 11,930.53

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Solution

The fourth proportional to 22,002.12, 30,362.83 and 11,930.53 is: 16,464.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,002.12 : 30,362.83 = 11,930.53 : x
  2. Step 2: Convert to fraction form
    22,002.12/30,362.83 = 11,930.53/x
  3. Step 3: Cross multiply
    22,002.12x = 30,362.83 × 11,930.53
  4. Step 4: Simplify right side
    22,002.12x = 362,244,654.20
  5. Step 5: Solve for x
    x = 362,244,654.20/22,002.12
  6. Step 6: Final answer
    x = 16,464.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.