Home / 13,716.56-20,573.28-3,856.24

Finding the Fourth Proportional to 13,716.56, 20,573.28 and 3,856.24

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Solution

The fourth proportional to 13,716.56, 20,573.28 and 3,856.24 is: 5,783.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716.56 : 20,573.28 = 3,856.24 : x
  2. Step 2: Convert to fraction form
    13,716.56/20,573.28 = 3,856.24/x
  3. Step 3: Cross multiply
    13,716.56x = 20,573.28 × 3,856.24
  4. Step 4: Simplify right side
    13,716.56x = 79,335,505.27
  5. Step 5: Solve for x
    x = 79,335,505.27/13,716.56
  6. Step 6: Final answer
    x = 5,783.92

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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.