Home / 18,218.34-27,327.85-5,738.77

Finding the Fourth Proportional to 18,218.34, 27,327.85 and 5,738.77

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Solution

The fourth proportional to 18,218.34, 27,327.85 and 5,738.77 is: 8,608.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218.34 : 27,327.85 = 5,738.77 : x
  2. Step 2: Convert to fraction form
    18,218.34/27,327.85 = 5,738.77/x
  3. Step 3: Cross multiply
    18,218.34x = 27,327.85 × 5,738.77
  4. Step 4: Simplify right side
    18,218.34x = 156,828,245.74
  5. Step 5: Solve for x
    x = 156,828,245.74/18,218.34
  6. Step 6: Final answer
    x = 8,608.26

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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.