Home / 20,035.57-27,649.65-11,083.89

Finding the Fourth Proportional to 20,035.57, 27,649.65 and 11,083.89

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Solution

The fourth proportional to 20,035.57, 27,649.65 and 11,083.89 is: 15,296.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035.57 : 27,649.65 = 11,083.89 : x
  2. Step 2: Convert to fraction form
    20,035.57/27,649.65 = 11,083.89/x
  3. Step 3: Cross multiply
    20,035.57x = 27,649.65 × 11,083.89
  4. Step 4: Simplify right side
    20,035.57x = 306,465,679.14
  5. Step 5: Solve for x
    x = 306,465,679.14/20,035.57
  6. Step 6: Final answer
    x = 15,296.08

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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.