Home / 13,717.28-20,571.68-4,951.06

Finding the Fourth Proportional to 13,717.28, 20,571.68 and 4,951.06

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Solution

The fourth proportional to 13,717.28, 20,571.68 and 4,951.06 is: 7,425.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.28 : 20,571.68 = 4,951.06 : x
  2. Step 2: Convert to fraction form
    13,717.28/20,571.68 = 4,951.06/x
  3. Step 3: Cross multiply
    13,717.28x = 20,571.68 × 4,951.06
  4. Step 4: Simplify right side
    13,717.28x = 101,851,621.98
  5. Step 5: Solve for x
    x = 101,851,621.98/13,717.28
  6. Step 6: Final answer
    x = 7,425.06

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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.