Home / 14,422-21,614.36-7,396.18

Finding the Fourth Proportional to 14,422, 21,614.36 and 7,396.18

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Solution

The fourth proportional to 14,422, 21,614.36 and 7,396.18 is: 11,084.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422 : 21,614.36 = 7,396.18 : x
  2. Step 2: Convert to fraction form
    14,422/21,614.36 = 7,396.18/x
  3. Step 3: Cross multiply
    14,422x = 21,614.36 × 7,396.18
  4. Step 4: Simplify right side
    14,422x = 159,863,697.14
  5. Step 5: Solve for x
    x = 159,863,697.14/14,422
  6. Step 6: Final answer
    x = 11,084.71

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Why These Related Problems?

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