Home / 18,158.15-27,237.03-5,678.27

Finding the Fourth Proportional to 18,158.15, 27,237.03 and 5,678.27

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Solution

The fourth proportional to 18,158.15, 27,237.03 and 5,678.27 is: 8,517.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158.15 : 27,237.03 = 5,678.27 : x
  2. Step 2: Convert to fraction form
    18,158.15/27,237.03 = 5,678.27/x
  3. Step 3: Cross multiply
    18,158.15x = 27,237.03 × 5,678.27
  4. Step 4: Simplify right side
    18,158.15x = 154,659,074.15
  5. Step 5: Solve for x
    x = 154,659,074.15/18,158.15
  6. Step 6: Final answer
    x = 8,517.34

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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.