Home / 18,579.88-25,640.58-10,196.68

Finding the Fourth Proportional to 18,579.88, 25,640.58 and 10,196.68

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Solution

The fourth proportional to 18,579.88, 25,640.58 and 10,196.68 is: 14,071.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.88 : 25,640.58 = 10,196.68 : x
  2. Step 2: Convert to fraction form
    18,579.88/25,640.58 = 10,196.68/x
  3. Step 3: Cross multiply
    18,579.88x = 25,640.58 × 10,196.68
  4. Step 4: Simplify right side
    18,579.88x = 261,448,789.27
  5. Step 5: Solve for x
    x = 261,448,789.27/18,579.88
  6. Step 6: Final answer
    x = 14,071.61

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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.