Home / 18,532.66-27,792.44-5,382.30

Finding the Fourth Proportional to 18,532.66, 27,792.44 and 5,382.30

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Solution

The fourth proportional to 18,532.66, 27,792.44 and 5,382.30 is: 8,071.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,532.66 : 27,792.44 = 5,382.30 : x
  2. Step 2: Convert to fraction form
    18,532.66/27,792.44 = 5,382.30/x
  3. Step 3: Cross multiply
    18,532.66x = 27,792.44 × 5,382.30
  4. Step 4: Simplify right side
    18,532.66x = 149,587,249.81
  5. Step 5: Solve for x
    x = 149,587,249.81/18,532.66
  6. Step 6: Final answer
    x = 8,071.55

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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.