Home / 27,164.45-40,738.38-18,784.83

Finding the Fourth Proportional to 27,164.45, 40,738.38 and 18,784.83

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Solution

The fourth proportional to 27,164.45, 40,738.38 and 18,784.83 is: 28,171.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,164.45 : 40,738.38 = 18,784.83 : x
  2. Step 2: Convert to fraction form
    27,164.45/40,738.38 = 18,784.83/x
  3. Step 3: Cross multiply
    27,164.45x = 40,738.38 × 18,784.83
  4. Step 4: Simplify right side
    27,164.45x = 765,263,542.78
  5. Step 5: Solve for x
    x = 765,263,542.78/27,164.45
  6. Step 6: Final answer
    x = 28,171.51

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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.