Home / 27,632.20-38,140.68-19,697.44

Finding the Fourth Proportional to 27,632.20, 38,140.68 and 19,697.44

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Solution

The fourth proportional to 27,632.20, 38,140.68 and 19,697.44 is: 27,188.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,632.20 : 38,140.68 = 19,697.44 : x
  2. Step 2: Convert to fraction form
    27,632.20/38,140.68 = 19,697.44/x
  3. Step 3: Cross multiply
    27,632.20x = 38,140.68 × 19,697.44
  4. Step 4: Simplify right side
    27,632.20x = 751,273,755.86
  5. Step 5: Solve for x
    x = 751,273,755.86/27,632.20
  6. Step 6: Final answer
    x = 27,188.34

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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.