Home / 18,616.08-27,918.72-5,466

Finding the Fourth Proportional to 18,616.08, 27,918.72 and 5,466

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Solution

The fourth proportional to 18,616.08, 27,918.72 and 5,466 is: 8,197.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,616.08 : 27,918.72 = 5,466 : x
  2. Step 2: Convert to fraction form
    18,616.08/27,918.72 = 5,466/x
  3. Step 3: Cross multiply
    18,616.08x = 27,918.72 × 5,466
  4. Step 4: Simplify right side
    18,616.08x = 152,603,723.52
  5. Step 5: Solve for x
    x = 152,603,723.52/18,616.08
  6. Step 6: Final answer
    x = 8,197.41

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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.