Home / 25,255.57-37,884.87-7,725.55

Finding the Fourth Proportional to 25,255.57, 37,884.87 and 7,725.55

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Solution

The fourth proportional to 25,255.57, 37,884.87 and 7,725.55 is: 11,588.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,255.57 : 37,884.87 = 7,725.55 : x
  2. Step 2: Convert to fraction form
    25,255.57/37,884.87 = 7,725.55/x
  3. Step 3: Cross multiply
    25,255.57x = 37,884.87 × 7,725.55
  4. Step 4: Simplify right side
    25,255.57x = 292,681,229.38
  5. Step 5: Solve for x
    x = 292,681,229.38/25,255.57
  6. Step 6: Final answer
    x = 11,588.78

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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.