Home / 20,097.63-27,733.38-11,144.81

Finding the Fourth Proportional to 20,097.63, 27,733.38 and 11,144.81

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Solution

The fourth proportional to 20,097.63, 27,733.38 and 11,144.81 is: 15,379.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,097.63 : 27,733.38 = 11,144.81 : x
  2. Step 2: Convert to fraction form
    20,097.63/27,733.38 = 11,144.81/x
  3. Step 3: Cross multiply
    20,097.63x = 27,733.38 × 11,144.81
  4. Step 4: Simplify right side
    20,097.63x = 309,083,250.76
  5. Step 5: Solve for x
    x = 309,083,250.76/20,097.63
  6. Step 6: Final answer
    x = 15,379.09

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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.