Home / 18,581.44-25,579.86-16,098.04

Finding the Fourth Proportional to 18,581.44, 25,579.86 and 16,098.04

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Solution

The fourth proportional to 18,581.44, 25,579.86 and 16,098.04 is: 22,161.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581.44 : 25,579.86 = 16,098.04 : x
  2. Step 2: Convert to fraction form
    18,581.44/25,579.86 = 16,098.04/x
  3. Step 3: Cross multiply
    18,581.44x = 25,579.86 × 16,098.04
  4. Step 4: Simplify right side
    18,581.44x = 411,785,609.47
  5. Step 5: Solve for x
    x = 411,785,609.47/18,581.44
  6. Step 6: Final answer
    x = 22,161.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.