Home / 25,201.85-37,801.25-11,157.78

Finding the Fourth Proportional to 25,201.85, 37,801.25 and 11,157.78

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Solution

The fourth proportional to 25,201.85, 37,801.25 and 11,157.78 is: 16,735.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,201.85 : 37,801.25 = 11,157.78 : x
  2. Step 2: Convert to fraction form
    25,201.85/37,801.25 = 11,157.78/x
  3. Step 3: Cross multiply
    25,201.85x = 37,801.25 × 11,157.78
  4. Step 4: Simplify right side
    25,201.85x = 421,777,975.44
  5. Step 5: Solve for x
    x = 421,777,975.44/25,201.85
  6. Step 6: Final answer
    x = 16,735.99

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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.