Home / 20,095.84-27,733.68-11,144.20

Finding the Fourth Proportional to 20,095.84, 27,733.68 and 11,144.20

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Solution

The fourth proportional to 20,095.84, 27,733.68 and 11,144.20 is: 15,379.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,095.84 : 27,733.68 = 11,144.20 : x
  2. Step 2: Convert to fraction form
    20,095.84/27,733.68 = 11,144.20/x
  3. Step 3: Cross multiply
    20,095.84x = 27,733.68 × 11,144.20
  4. Step 4: Simplify right side
    20,095.84x = 309,069,676.66
  5. Step 5: Solve for x
    x = 309,069,676.66/20,095.84
  6. Step 6: Final answer
    x = 15,379.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.