Home / 18,542.45-27,813.38-4,502.58

Finding the Fourth Proportional to 18,542.45, 27,813.38 and 4,502.58

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Solution

The fourth proportional to 18,542.45, 27,813.38 and 4,502.58 is: 6,753.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,542.45 : 27,813.38 = 4,502.58 : x
  2. Step 2: Convert to fraction form
    18,542.45/27,813.38 = 4,502.58/x
  3. Step 3: Cross multiply
    18,542.45x = 27,813.38 × 4,502.58
  4. Step 4: Simplify right side
    18,542.45x = 125,231,979.78
  5. Step 5: Solve for x
    x = 125,231,979.78/18,542.45
  6. Step 6: Final answer
    x = 6,753.80

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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.