Home / 17,914.90-26,872.42-5,435.03

Finding the Fourth Proportional to 17,914.90, 26,872.42 and 5,435.03

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Solution

The fourth proportional to 17,914.90, 26,872.42 and 5,435.03 is: 8,152.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,914.90 : 26,872.42 = 5,435.03 : x
  2. Step 2: Convert to fraction form
    17,914.90/26,872.42 = 5,435.03/x
  3. Step 3: Cross multiply
    17,914.90x = 26,872.42 × 5,435.03
  4. Step 4: Simplify right side
    17,914.90x = 146,052,381.70
  5. Step 5: Solve for x
    x = 146,052,381.70/17,914.90
  6. Step 6: Final answer
    x = 8,152.56

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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.