Home / 17,638.44-26,456.75-4,490.01

Finding the Fourth Proportional to 17,638.44, 26,456.75 and 4,490.01

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Solution

The fourth proportional to 17,638.44, 26,456.75 and 4,490.01 is: 6,734.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,638.44 : 26,456.75 = 4,490.01 : x
  2. Step 2: Convert to fraction form
    17,638.44/26,456.75 = 4,490.01/x
  3. Step 3: Cross multiply
    17,638.44x = 26,456.75 × 4,490.01
  4. Step 4: Simplify right side
    17,638.44x = 118,791,049.62
  5. Step 5: Solve for x
    x = 118,791,049.62/17,638.44
  6. Step 6: Final answer
    x = 6,734.78

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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.