Home / 18,253.52-27,380.49-7,165.43

Finding the Fourth Proportional to 18,253.52, 27,380.49 and 7,165.43

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Solution

The fourth proportional to 18,253.52, 27,380.49 and 7,165.43 is: 10,748.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.52 : 27,380.49 = 7,165.43 : x
  2. Step 2: Convert to fraction form
    18,253.52/27,380.49 = 7,165.43/x
  3. Step 3: Cross multiply
    18,253.52x = 27,380.49 × 7,165.43
  4. Step 4: Simplify right side
    18,253.52x = 196,192,984.46
  5. Step 5: Solve for x
    x = 196,192,984.46/18,253.52
  6. Step 6: Final answer
    x = 10,748.23

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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.