Home / 20,256.18-27,949.25-11,757.25

Finding the Fourth Proportional to 20,256.18, 27,949.25 and 11,757.25

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Solution

The fourth proportional to 20,256.18, 27,949.25 and 11,757.25 is: 16,222.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,256.18 : 27,949.25 = 11,757.25 : x
  2. Step 2: Convert to fraction form
    20,256.18/27,949.25 = 11,757.25/x
  3. Step 3: Cross multiply
    20,256.18x = 27,949.25 × 11,757.25
  4. Step 4: Simplify right side
    20,256.18x = 328,606,383.89
  5. Step 5: Solve for x
    x = 328,606,383.89/20,256.18
  6. Step 6: Final answer
    x = 16,222.53

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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.