Home / 25,129.66-34,676.37-15,057.85

Finding the Fourth Proportional to 25,129.66, 34,676.37 and 15,057.85

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Solution

The fourth proportional to 25,129.66, 34,676.37 and 15,057.85 is: 20,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,129.66 : 34,676.37 = 15,057.85 : x
  2. Step 2: Convert to fraction form
    25,129.66/34,676.37 = 15,057.85/x
  3. Step 3: Cross multiply
    25,129.66x = 34,676.37 × 15,057.85
  4. Step 4: Simplify right side
    25,129.66x = 522,151,404.62
  5. Step 5: Solve for x
    x = 522,151,404.62/25,129.66
  6. Step 6: Final answer
    x = 20,778.30

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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.