Home / 26,785.86-40,197.21-9,255.72

Finding the Fourth Proportional to 26,785.86, 40,197.21 and 9,255.72

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Solution

The fourth proportional to 26,785.86, 40,197.21 and 9,255.72 is: 13,889.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,785.86 : 40,197.21 = 9,255.72 : x
  2. Step 2: Convert to fraction form
    26,785.86/40,197.21 = 9,255.72/x
  3. Step 3: Cross multiply
    26,785.86x = 40,197.21 × 9,255.72
  4. Step 4: Simplify right side
    26,785.86x = 372,054,120.54
  5. Step 5: Solve for x
    x = 372,054,120.54/26,785.86
  6. Step 6: Final answer
    x = 13,889.94

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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.