Home / 27,511.38-37,965.87-16,181.36

Finding the Fourth Proportional to 27,511.38, 37,965.87 and 16,181.36

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Solution

The fourth proportional to 27,511.38, 37,965.87 and 16,181.36 is: 22,330.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,511.38 : 37,965.87 = 16,181.36 : x
  2. Step 2: Convert to fraction form
    27,511.38/37,965.87 = 16,181.36/x
  3. Step 3: Cross multiply
    27,511.38x = 37,965.87 × 16,181.36
  4. Step 4: Simplify right side
    27,511.38x = 614,339,139.45
  5. Step 5: Solve for x
    x = 614,339,139.45/27,511.38
  6. Step 6: Final answer
    x = 22,330.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.