Home / 17,136.75-25,708.91-7,284.45

Finding the Fourth Proportional to 17,136.75, 25,708.91 and 7,284.45

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Solution

The fourth proportional to 17,136.75, 25,708.91 and 7,284.45 is: 10,928.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,136.75 : 25,708.91 = 7,284.45 : x
  2. Step 2: Convert to fraction form
    17,136.75/25,708.91 = 7,284.45/x
  3. Step 3: Cross multiply
    17,136.75x = 25,708.91 × 7,284.45
  4. Step 4: Simplify right side
    17,136.75x = 187,275,233.03
  5. Step 5: Solve for x
    x = 187,275,233.03/17,136.75
  6. Step 6: Final answer
    x = 10,928.28

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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.