Home / 12,053.18-18,081.40-11,324.18

Finding the Fourth Proportional to 12,053.18, 18,081.40 and 11,324.18

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Solution

The fourth proportional to 12,053.18, 18,081.40 and 11,324.18 is: 16,987.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,053.18 : 18,081.40 = 11,324.18 : x
  2. Step 2: Convert to fraction form
    12,053.18/18,081.40 = 11,324.18/x
  3. Step 3: Cross multiply
    12,053.18x = 18,081.40 × 11,324.18
  4. Step 4: Simplify right side
    12,053.18x = 204,757,028.25
  5. Step 5: Solve for x
    x = 204,757,028.25/12,053.18
  6. Step 6: Final answer
    x = 16,987.80

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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.