Home / 22,122.12-33,164.10-10,427.16

Finding the Fourth Proportional to 22,122.12, 33,164.10 and 10,427.16

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Solution

The fourth proportional to 22,122.12, 33,164.10 and 10,427.16 is: 15,631.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,122.12 : 33,164.10 = 10,427.16 : x
  2. Step 2: Convert to fraction form
    22,122.12/33,164.10 = 10,427.16/x
  3. Step 3: Cross multiply
    22,122.12x = 33,164.10 × 10,427.16
  4. Step 4: Simplify right side
    22,122.12x = 345,807,376.96
  5. Step 5: Solve for x
    x = 345,807,376.96/22,122.12
  6. Step 6: Final answer
    x = 15,631.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.