Home / 27,712.33-41,568.12-18,805.57

Finding the Fourth Proportional to 27,712.33, 41,568.12 and 18,805.57

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Solution

The fourth proportional to 27,712.33, 41,568.12 and 18,805.57 is: 28,208.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,712.33 : 41,568.12 = 18,805.57 : x
  2. Step 2: Convert to fraction form
    27,712.33/41,568.12 = 18,805.57/x
  3. Step 3: Cross multiply
    27,712.33x = 41,568.12 × 18,805.57
  4. Step 4: Simplify right side
    27,712.33x = 781,712,086.51
  5. Step 5: Solve for x
    x = 781,712,086.51/27,712.33
  6. Step 6: Final answer
    x = 28,208.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.