Home / 27,086.72-40,635.18-12,296.68

Finding the Fourth Proportional to 27,086.72, 40,635.18 and 12,296.68

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Solution

The fourth proportional to 27,086.72, 40,635.18 and 12,296.68 is: 18,447.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,086.72 : 40,635.18 = 12,296.68 : x
  2. Step 2: Convert to fraction form
    27,086.72/40,635.18 = 12,296.68/x
  3. Step 3: Cross multiply
    27,086.72x = 40,635.18 × 12,296.68
  4. Step 4: Simplify right side
    27,086.72x = 499,677,805.20
  5. Step 5: Solve for x
    x = 499,677,805.20/27,086.72
  6. Step 6: Final answer
    x = 18,447.34

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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.