Home / 18,298.24-27,428.52-7,200.43

Finding the Fourth Proportional to 18,298.24, 27,428.52 and 7,200.43

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Solution

The fourth proportional to 18,298.24, 27,428.52 and 7,200.43 is: 10,793.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.24 : 27,428.52 = 7,200.43 : x
  2. Step 2: Convert to fraction form
    18,298.24/27,428.52 = 7,200.43/x
  3. Step 3: Cross multiply
    18,298.24x = 27,428.52 × 7,200.43
  4. Step 4: Simplify right side
    18,298.24x = 197,497,138.26
  5. Step 5: Solve for x
    x = 197,497,138.26/18,298.24
  6. Step 6: Final answer
    x = 10,793.23

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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.