Home / 38,276.20-57,414.30-11,983.60

Finding the Fourth Proportional to 38,276.20, 57,414.30 and 11,983.60

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Solution

The fourth proportional to 38,276.20, 57,414.30 and 11,983.60 is: 17,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,276.20 : 57,414.30 = 11,983.60 : x
  2. Step 2: Convert to fraction form
    38,276.20/57,414.30 = 11,983.60/x
  3. Step 3: Cross multiply
    38,276.20x = 57,414.30 × 11,983.60
  4. Step 4: Simplify right side
    38,276.20x = 688,030,005.48
  5. Step 5: Solve for x
    x = 688,030,005.48/38,276.20
  6. Step 6: Final answer
    x = 17,975.40

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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.