Home / 12,026.33-18,039.08-5,447.91

Finding the Fourth Proportional to 12,026.33, 18,039.08 and 5,447.91

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Solution

The fourth proportional to 12,026.33, 18,039.08 and 5,447.91 is: 8,171.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,026.33 : 18,039.08 = 5,447.91 : x
  2. Step 2: Convert to fraction form
    12,026.33/18,039.08 = 5,447.91/x
  3. Step 3: Cross multiply
    12,026.33x = 18,039.08 × 5,447.91
  4. Step 4: Simplify right side
    12,026.33x = 98,275,297.94
  5. Step 5: Solve for x
    x = 98,275,297.94/12,026.33
  6. Step 6: Final answer
    x = 8,171.68

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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.