Home / 36,198.40-54,297.60-9,905.80

Finding the Fourth Proportional to 36,198.40, 54,297.60 and 9,905.80

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Solution

The fourth proportional to 36,198.40, 54,297.60 and 9,905.80 is: 14,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,198.40 : 54,297.60 = 9,905.80 : x
  2. Step 2: Convert to fraction form
    36,198.40/54,297.60 = 9,905.80/x
  3. Step 3: Cross multiply
    36,198.40x = 54,297.60 × 9,905.80
  4. Step 4: Simplify right side
    36,198.40x = 537,861,166.08
  5. Step 5: Solve for x
    x = 537,861,166.08/36,198.40
  6. Step 6: Final answer
    x = 14,858.70

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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.