Home / 18,283.41-27,425.12-5,136.23

Finding the Fourth Proportional to 18,283.41, 27,425.12 and 5,136.23

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Solution

The fourth proportional to 18,283.41, 27,425.12 and 5,136.23 is: 7,704.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,283.41 : 27,425.12 = 5,136.23 : x
  2. Step 2: Convert to fraction form
    18,283.41/27,425.12 = 5,136.23/x
  3. Step 3: Cross multiply
    18,283.41x = 27,425.12 × 5,136.23
  4. Step 4: Simplify right side
    18,283.41x = 140,861,766.98
  5. Step 5: Solve for x
    x = 140,861,766.98/18,283.41
  6. Step 6: Final answer
    x = 7,704.35

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Double scale
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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.