Home / 13,470.10-20,183.55-8,847.70

Finding the Fourth Proportional to 13,470.10, 20,183.55 and 8,847.70

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Solution

The fourth proportional to 13,470.10, 20,183.55 and 8,847.70 is: 13,257.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470.10 : 20,183.55 = 8,847.70 : x
  2. Step 2: Convert to fraction form
    13,470.10/20,183.55 = 8,847.70/x
  3. Step 3: Cross multiply
    13,470.10x = 20,183.55 × 8,847.70
  4. Step 4: Simplify right side
    13,470.10x = 178,577,995.34
  5. Step 5: Solve for x
    x = 178,577,995.34/13,470.10
  6. Step 6: Final answer
    x = 13,257.36

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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.