Home / 18,579.35-27,876.84-11,565.23

Finding the Fourth Proportional to 18,579.35, 27,876.84 and 11,565.23

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Solution

The fourth proportional to 18,579.35, 27,876.84 and 11,565.23 is: 17,352.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.35 : 27,876.84 = 11,565.23 : x
  2. Step 2: Convert to fraction form
    18,579.35/27,876.84 = 11,565.23/x
  3. Step 3: Cross multiply
    18,579.35x = 27,876.84 × 11,565.23
  4. Step 4: Simplify right side
    18,579.35x = 322,402,105.38
  5. Step 5: Solve for x
    x = 322,402,105.38/18,579.35
  6. Step 6: Final answer
    x = 17,352.71

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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.