Home / 26,180.12-39,271.44-8,649.56

Finding the Fourth Proportional to 26,180.12, 39,271.44 and 8,649.56

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Solution

The fourth proportional to 26,180.12, 39,271.44 and 8,649.56 is: 12,974.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,180.12 : 39,271.44 = 8,649.56 : x
  2. Step 2: Convert to fraction form
    26,180.12/39,271.44 = 8,649.56/x
  3. Step 3: Cross multiply
    26,180.12x = 39,271.44 × 8,649.56
  4. Step 4: Simplify right side
    26,180.12x = 339,680,676.57
  5. Step 5: Solve for x
    x = 339,680,676.57/26,180.12
  6. Step 6: Final answer
    x = 12,974.76

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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.