Home / 13,571.88-20,349.08-5,672.27

Finding the Fourth Proportional to 13,571.88, 20,349.08 and 5,672.27

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Solution

The fourth proportional to 13,571.88, 20,349.08 and 5,672.27 is: 8,504.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571.88 : 20,349.08 = 5,672.27 : x
  2. Step 2: Convert to fraction form
    13,571.88/20,349.08 = 5,672.27/x
  3. Step 3: Cross multiply
    13,571.88x = 20,349.08 × 5,672.27
  4. Step 4: Simplify right side
    13,571.88x = 115,425,476.01
  5. Step 5: Solve for x
    x = 115,425,476.01/13,571.88
  6. Step 6: Final answer
    x = 8,504.75

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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.