Home / 17,136.90-25,707.17-5,447.39

Finding the Fourth Proportional to 17,136.90, 25,707.17 and 5,447.39

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Solution

The fourth proportional to 17,136.90, 25,707.17 and 5,447.39 is: 8,171.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,136.90 : 25,707.17 = 5,447.39 : x
  2. Step 2: Convert to fraction form
    17,136.90/25,707.17 = 5,447.39/x
  3. Step 3: Cross multiply
    17,136.90x = 25,707.17 × 5,447.39
  4. Step 4: Simplify right side
    17,136.90x = 140,036,865.87
  5. Step 5: Solve for x
    x = 140,036,865.87/17,136.90
  6. Step 6: Final answer
    x = 8,171.66

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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.