Home / 13,272.28-19,908.42-5,472.52

Finding the Fourth Proportional to 13,272.28, 19,908.42 and 5,472.52

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Solution

The fourth proportional to 13,272.28, 19,908.42 and 5,472.52 is: 8,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.28 : 19,908.42 = 5,472.52 : x
  2. Step 2: Convert to fraction form
    13,272.28/19,908.42 = 5,472.52/x
  3. Step 3: Cross multiply
    13,272.28x = 19,908.42 × 5,472.52
  4. Step 4: Simplify right side
    13,272.28x = 108,949,226.62
  5. Step 5: Solve for x
    x = 108,949,226.62/13,272.28
  6. Step 6: Final answer
    x = 8,208.78

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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.