Home / 18,736.20-28,101.06-7,049.52

Finding the Fourth Proportional to 18,736.20, 28,101.06 and 7,049.52

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Solution

The fourth proportional to 18,736.20, 28,101.06 and 7,049.52 is: 10,573.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.20 : 28,101.06 = 7,049.52 : x
  2. Step 2: Convert to fraction form
    18,736.20/28,101.06 = 7,049.52/x
  3. Step 3: Cross multiply
    18,736.20x = 28,101.06 × 7,049.52
  4. Step 4: Simplify right side
    18,736.20x = 198,098,984.49
  5. Step 5: Solve for x
    x = 198,098,984.49/18,736.20
  6. Step 6: Final answer
    x = 10,573.06

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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.