Home / 18,548.99-27,832.61-8,686.56

Finding the Fourth Proportional to 18,548.99, 27,832.61 and 8,686.56

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Solution

The fourth proportional to 18,548.99, 27,832.61 and 8,686.56 is: 13,034.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.99 : 27,832.61 = 8,686.56 : x
  2. Step 2: Convert to fraction form
    18,548.99/27,832.61 = 8,686.56/x
  3. Step 3: Cross multiply
    18,548.99x = 27,832.61 × 8,686.56
  4. Step 4: Simplify right side
    18,548.99x = 241,769,658.44
  5. Step 5: Solve for x
    x = 241,769,658.44/18,548.99
  6. Step 6: Final answer
    x = 13,034.12

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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.