Home / 13,861.74-20,792.71-5,542.46

Finding the Fourth Proportional to 13,861.74, 20,792.71 and 5,542.46

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Solution

The fourth proportional to 13,861.74, 20,792.71 and 5,542.46 is: 8,313.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,861.74 : 20,792.71 = 5,542.46 : x
  2. Step 2: Convert to fraction form
    13,861.74/20,792.71 = 5,542.46/x
  3. Step 3: Cross multiply
    13,861.74x = 20,792.71 × 5,542.46
  4. Step 4: Simplify right side
    13,861.74x = 115,242,763.47
  5. Step 5: Solve for x
    x = 115,242,763.47/13,861.74
  6. Step 6: Final answer
    x = 8,313.73

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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.