Home / 11,855.27-16,435.19-11,223.24

Finding the Fourth Proportional to 11,855.27, 16,435.19 and 11,223.24

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Solution

The fourth proportional to 11,855.27, 16,435.19 and 11,223.24 is: 15,558.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855.27 : 16,435.19 = 11,223.24 : x
  2. Step 2: Convert to fraction form
    11,855.27/16,435.19 = 11,223.24/x
  3. Step 3: Cross multiply
    11,855.27x = 16,435.19 × 11,223.24
  4. Step 4: Simplify right side
    11,855.27x = 184,456,081.82
  5. Step 5: Solve for x
    x = 184,456,081.82/11,855.27
  6. Step 6: Final answer
    x = 15,558.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.