Home / 13,136.06-19,704.09-7,930.94

Finding the Fourth Proportional to 13,136.06, 19,704.09 and 7,930.94

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Solution

The fourth proportional to 13,136.06, 19,704.09 and 7,930.94 is: 11,896.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,136.06 : 19,704.09 = 7,930.94 : x
  2. Step 2: Convert to fraction form
    13,136.06/19,704.09 = 7,930.94/x
  3. Step 3: Cross multiply
    13,136.06x = 19,704.09 × 7,930.94
  4. Step 4: Simplify right side
    13,136.06x = 156,271,955.54
  5. Step 5: Solve for x
    x = 156,271,955.54/13,136.06
  6. Step 6: Final answer
    x = 11,896.41

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Similar ratio
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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.