Home / 18,579.08-27,843.72-10,685.24

Finding the Fourth Proportional to 18,579.08, 27,843.72 and 10,685.24

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Solution

The fourth proportional to 18,579.08, 27,843.72 and 10,685.24 is: 16,013.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.08 : 27,843.72 = 10,685.24 : x
  2. Step 2: Convert to fraction form
    18,579.08/27,843.72 = 10,685.24/x
  3. Step 3: Cross multiply
    18,579.08x = 27,843.72 × 10,685.24
  4. Step 4: Simplify right side
    18,579.08x = 297,516,830.69
  5. Step 5: Solve for x
    x = 297,516,830.69/18,579.08
  6. Step 6: Final answer
    x = 16,013.54

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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.