Home / 36,818.40-55,227.60-12,194.40

Finding the Fourth Proportional to 36,818.40, 55,227.60 and 12,194.40

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Solution

The fourth proportional to 36,818.40, 55,227.60 and 12,194.40 is: 18,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,818.40 : 55,227.60 = 12,194.40 : x
  2. Step 2: Convert to fraction form
    36,818.40/55,227.60 = 12,194.40/x
  3. Step 3: Cross multiply
    36,818.40x = 55,227.60 × 12,194.40
  4. Step 4: Simplify right side
    36,818.40x = 673,467,445.44
  5. Step 5: Solve for x
    x = 673,467,445.44/36,818.40
  6. Step 6: Final answer
    x = 18,291.60

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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.