Home / 13,571.28-20,353.17-3,710.94

Finding the Fourth Proportional to 13,571.28, 20,353.17 and 3,710.94

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Solution

The fourth proportional to 13,571.28, 20,353.17 and 3,710.94 is: 5,565.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571.28 : 20,353.17 = 3,710.94 : x
  2. Step 2: Convert to fraction form
    13,571.28/20,353.17 = 3,710.94/x
  3. Step 3: Cross multiply
    13,571.28x = 20,353.17 × 3,710.94
  4. Step 4: Simplify right side
    13,571.28x = 75,529,392.68
  5. Step 5: Solve for x
    x = 75,529,392.68/13,571.28
  6. Step 6: Final answer
    x = 5,565.38

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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.