Home / 13,744.66-20,614.62-3,881.64

Finding the Fourth Proportional to 13,744.66, 20,614.62 and 3,881.64

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Solution

The fourth proportional to 13,744.66, 20,614.62 and 3,881.64 is: 5,821.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.66 : 20,614.62 = 3,881.64 : x
  2. Step 2: Convert to fraction form
    13,744.66/20,614.62 = 3,881.64/x
  3. Step 3: Cross multiply
    13,744.66x = 20,614.62 × 3,881.64
  4. Step 4: Simplify right side
    13,744.66x = 80,018,533.58
  5. Step 5: Solve for x
    x = 80,018,533.58/13,744.66
  6. Step 6: Final answer
    x = 5,821.79

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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.