Home / 13,713.60-20,571.84-4,477.44

Finding the Fourth Proportional to 13,713.60, 20,571.84 and 4,477.44

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Solution

The fourth proportional to 13,713.60, 20,571.84 and 4,477.44 is: 6,716.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713.60 : 20,571.84 = 4,477.44 : x
  2. Step 2: Convert to fraction form
    13,713.60/20,571.84 = 4,477.44/x
  3. Step 3: Cross multiply
    13,713.60x = 20,571.84 × 4,477.44
  4. Step 4: Simplify right side
    13,713.60x = 92,109,179.29
  5. Step 5: Solve for x
    x = 92,109,179.29/13,713.60
  6. Step 6: Final answer
    x = 6,716.63

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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.