Home / 26,825.88-40,243.05-8,103.59

Finding the Fourth Proportional to 26,825.88, 40,243.05 and 8,103.59

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Solution

The fourth proportional to 26,825.88, 40,243.05 and 8,103.59 is: 12,156.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,825.88 : 40,243.05 = 8,103.59 : x
  2. Step 2: Convert to fraction form
    26,825.88/40,243.05 = 8,103.59/x
  3. Step 3: Cross multiply
    26,825.88x = 40,243.05 × 8,103.59
  4. Step 4: Simplify right side
    26,825.88x = 326,113,177.55
  5. Step 5: Solve for x
    x = 326,113,177.55/26,825.88
  6. Step 6: Final answer
    x = 12,156.66

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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.