Home / 15,076.20-22,614.30-3,984.60

Finding the Fourth Proportional to 15,076.20, 22,614.30 and 3,984.60

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Solution

The fourth proportional to 15,076.20, 22,614.30 and 3,984.60 is: 5,976.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,076.20 : 22,614.30 = 3,984.60 : x
  2. Step 2: Convert to fraction form
    15,076.20/22,614.30 = 3,984.60/x
  3. Step 3: Cross multiply
    15,076.20x = 22,614.30 × 3,984.60
  4. Step 4: Simplify right side
    15,076.20x = 90,108,939.78
  5. Step 5: Solve for x
    x = 90,108,939.78/15,076.20
  6. Step 6: Final answer
    x = 5,976.90

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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.