Home / 20,035.92-27,649.74-11,083.71

Finding the Fourth Proportional to 20,035.92, 27,649.74 and 11,083.71

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Solution

The fourth proportional to 20,035.92, 27,649.74 and 11,083.71 is: 15,295.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035.92 : 27,649.74 = 11,083.71 : x
  2. Step 2: Convert to fraction form
    20,035.92/27,649.74 = 11,083.71/x
  3. Step 3: Cross multiply
    20,035.92x = 27,649.74 × 11,083.71
  4. Step 4: Simplify right side
    20,035.92x = 306,461,699.74
  5. Step 5: Solve for x
    x = 306,461,699.74/20,035.92
  6. Step 6: Final answer
    x = 15,295.61

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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.