Home / 18,736.20-28,096.20-9,372.60

Finding the Fourth Proportional to 18,736.20, 28,096.20 and 9,372.60

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Solution

The fourth proportional to 18,736.20, 28,096.20 and 9,372.60 is: 14,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.20 : 28,096.20 = 9,372.60 : x
  2. Step 2: Convert to fraction form
    18,736.20/28,096.20 = 9,372.60/x
  3. Step 3: Cross multiply
    18,736.20x = 28,096.20 × 9,372.60
  4. Step 4: Simplify right side
    18,736.20x = 263,334,444.12
  5. Step 5: Solve for x
    x = 263,334,444.12/18,736.20
  6. Step 6: Final answer
    x = 14,054.85

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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.