Home / 33,520.40-50,280.60-13,792.40

Finding the Fourth Proportional to 33,520.40, 50,280.60 and 13,792.40

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Solution

The fourth proportional to 33,520.40, 50,280.60 and 13,792.40 is: 20,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,520.40 : 50,280.60 = 13,792.40 : x
  2. Step 2: Convert to fraction form
    33,520.40/50,280.60 = 13,792.40/x
  3. Step 3: Cross multiply
    33,520.40x = 50,280.60 × 13,792.40
  4. Step 4: Simplify right side
    33,520.40x = 693,490,147.44
  5. Step 5: Solve for x
    x = 693,490,147.44/33,520.40
  6. Step 6: Final answer
    x = 20,688.60

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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.