Home / 20,083.92-27,719.23-11,584.51

Finding the Fourth Proportional to 20,083.92, 27,719.23 and 11,584.51

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Solution

The fourth proportional to 20,083.92, 27,719.23 and 11,584.51 is: 15,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,083.92 : 27,719.23 = 11,584.51 : x
  2. Step 2: Convert to fraction form
    20,083.92/27,719.23 = 11,584.51/x
  3. Step 3: Cross multiply
    20,083.92x = 27,719.23 × 11,584.51
  4. Step 4: Simplify right side
    20,083.92x = 321,113,697.13
  5. Step 5: Solve for x
    x = 321,113,697.13/20,083.92
  6. Step 6: Final answer
    x = 15,988.60

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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.