Home / 20,057.67-27,676.78-11,559.10

Finding the Fourth Proportional to 20,057.67, 27,676.78 and 11,559.10

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Solution

The fourth proportional to 20,057.67, 27,676.78 and 11,559.10 is: 15,949.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,057.67 : 27,676.78 = 11,559.10 : x
  2. Step 2: Convert to fraction form
    20,057.67/27,676.78 = 11,559.10/x
  3. Step 3: Cross multiply
    20,057.67x = 27,676.78 × 11,559.10
  4. Step 4: Simplify right side
    20,057.67x = 319,918,736.89
  5. Step 5: Solve for x
    x = 319,918,736.89/20,057.67
  6. Step 6: Final answer
    x = 15,949.94

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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.