Home / 25,190.61-37,772.24-12,512.55

Finding the Fourth Proportional to 25,190.61, 37,772.24 and 12,512.55

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Solution

The fourth proportional to 25,190.61, 37,772.24 and 12,512.55 is: 18,762.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,190.61 : 37,772.24 = 12,512.55 : x
  2. Step 2: Convert to fraction form
    25,190.61/37,772.24 = 12,512.55/x
  3. Step 3: Cross multiply
    25,190.61x = 37,772.24 × 12,512.55
  4. Step 4: Simplify right side
    25,190.61x = 472,627,120.70
  5. Step 5: Solve for x
    x = 472,627,120.70/25,190.61
  6. Step 6: Final answer
    x = 18,762.04

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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.