Home / 27,530.38-38,003.55-18,589.99

Finding the Fourth Proportional to 27,530.38, 38,003.55 and 18,589.99

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Solution

The fourth proportional to 27,530.38, 38,003.55 and 18,589.99 is: 25,662.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,530.38 : 38,003.55 = 18,589.99 : x
  2. Step 2: Convert to fraction form
    27,530.38/38,003.55 = 18,589.99/x
  3. Step 3: Cross multiply
    27,530.38x = 38,003.55 × 18,589.99
  4. Step 4: Simplify right side
    27,530.38x = 706,485,614.46
  5. Step 5: Solve for x
    x = 706,485,614.46/27,530.38
  6. Step 6: Final answer
    x = 25,662.04

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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.