Home / 18,249.99-27,406.23-11,271.30

Finding the Fourth Proportional to 18,249.99, 27,406.23 and 11,271.30

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Solution

The fourth proportional to 18,249.99, 27,406.23 and 11,271.30 is: 16,926.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249.99 : 27,406.23 = 11,271.30 : x
  2. Step 2: Convert to fraction form
    18,249.99/27,406.23 = 11,271.30/x
  3. Step 3: Cross multiply
    18,249.99x = 27,406.23 × 11,271.30
  4. Step 4: Simplify right side
    18,249.99x = 308,903,840.20
  5. Step 5: Solve for x
    x = 308,903,840.20/18,249.99
  6. Step 6: Final answer
    x = 16,926.25

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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.