Home / 23,867.28-35,820.12-12,183.60

Finding the Fourth Proportional to 23,867.28, 35,820.12 and 12,183.60

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Solution

The fourth proportional to 23,867.28, 35,820.12 and 12,183.60 is: 18,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,867.28 : 35,820.12 = 12,183.60 : x
  2. Step 2: Convert to fraction form
    23,867.28/35,820.12 = 12,183.60/x
  3. Step 3: Cross multiply
    23,867.28x = 35,820.12 × 12,183.60
  4. Step 4: Simplify right side
    23,867.28x = 436,418,014.03
  5. Step 5: Solve for x
    x = 436,418,014.03/23,867.28
  6. Step 6: Final answer
    x = 18,285.20

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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.