Home / 37,112.60-55,674.30-12,146.60

Finding the Fourth Proportional to 37,112.60, 55,674.30 and 12,146.60

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Solution

The fourth proportional to 37,112.60, 55,674.30 and 12,146.60 is: 18,221.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,112.60 : 55,674.30 = 12,146.60 : x
  2. Step 2: Convert to fraction form
    37,112.60/55,674.30 = 12,146.60/x
  3. Step 3: Cross multiply
    37,112.60x = 55,674.30 × 12,146.60
  4. Step 4: Simplify right side
    37,112.60x = 676,253,452.38
  5. Step 5: Solve for x
    x = 676,253,452.38/37,112.60
  6. Step 6: Final answer
    x = 18,221.67

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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.