Home / 18,158.82-27,237.24-5,677.42

Finding the Fourth Proportional to 18,158.82, 27,237.24 and 5,677.42

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Solution

The fourth proportional to 18,158.82, 27,237.24 and 5,677.42 is: 8,515.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158.82 : 27,237.24 = 5,677.42 : x
  2. Step 2: Convert to fraction form
    18,158.82/27,237.24 = 5,677.42/x
  3. Step 3: Cross multiply
    18,158.82x = 27,237.24 × 5,677.42
  4. Step 4: Simplify right side
    18,158.82x = 154,637,251.12
  5. Step 5: Solve for x
    x = 154,637,251.12/18,158.82
  6. Step 6: Final answer
    x = 8,515.82

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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.