Home / 18,319.68-27,476.42-5,168.97

Finding the Fourth Proportional to 18,319.68, 27,476.42 and 5,168.97

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Solution

The fourth proportional to 18,319.68, 27,476.42 and 5,168.97 is: 7,752.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,319.68 : 27,476.42 = 5,168.97 : x
  2. Step 2: Convert to fraction form
    18,319.68/27,476.42 = 5,168.97/x
  3. Step 3: Cross multiply
    18,319.68x = 27,476.42 × 5,168.97
  4. Step 4: Simplify right side
    18,319.68x = 142,024,764.84
  5. Step 5: Solve for x
    x = 142,024,764.84/18,319.68
  6. Step 6: Final answer
    x = 7,752.58

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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.