Home / 17,638.62-26,451.26-7,105.07

Finding the Fourth Proportional to 17,638.62, 26,451.26 and 7,105.07

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Solution

The fourth proportional to 17,638.62, 26,451.26 and 7,105.07 is: 10,654.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,638.62 : 26,451.26 = 7,105.07 : x
  2. Step 2: Convert to fraction form
    17,638.62/26,451.26 = 7,105.07/x
  3. Step 3: Cross multiply
    17,638.62x = 26,451.26 × 7,105.07
  4. Step 4: Simplify right side
    17,638.62x = 187,938,053.89
  5. Step 5: Solve for x
    x = 187,938,053.89/17,638.62
  6. Step 6: Final answer
    x = 10,654.92

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1.5x scale

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.