Home / 37,136.96-55,706.76-12,177.60

Finding the Fourth Proportional to 37,136.96, 55,706.76 and 12,177.60

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Solution

The fourth proportional to 37,136.96, 55,706.76 and 12,177.60 is: 18,266.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,136.96 : 55,706.76 = 12,177.60 : x
  2. Step 2: Convert to fraction form
    37,136.96/55,706.76 = 12,177.60/x
  3. Step 3: Cross multiply
    37,136.96x = 55,706.76 × 12,177.60
  4. Step 4: Simplify right side
    37,136.96x = 678,374,640.58
  5. Step 5: Solve for x
    x = 678,374,640.58/37,136.96
  6. Step 6: Final answer
    x = 18,266.83

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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.