Home / 18,348.82-27,514.55-7,109.42

Finding the Fourth Proportional to 18,348.82, 27,514.55 and 7,109.42

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Solution

The fourth proportional to 18,348.82, 27,514.55 and 7,109.42 is: 10,660.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348.82 : 27,514.55 = 7,109.42 : x
  2. Step 2: Convert to fraction form
    18,348.82/27,514.55 = 7,109.42/x
  3. Step 3: Cross multiply
    18,348.82x = 27,514.55 × 7,109.42
  4. Step 4: Simplify right side
    18,348.82x = 195,612,492.06
  5. Step 5: Solve for x
    x = 195,612,492.06/18,348.82
  6. Step 6: Final answer
    x = 10,660.77

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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.