Home / 27,511.20-37,965.57-15,576.84

Finding the Fourth Proportional to 27,511.20, 37,965.57 and 15,576.84

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Solution

The fourth proportional to 27,511.20, 37,965.57 and 15,576.84 is: 21,496.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,511.20 : 37,965.57 = 15,576.84 : x
  2. Step 2: Convert to fraction form
    27,511.20/37,965.57 = 15,576.84/x
  3. Step 3: Cross multiply
    27,511.20x = 37,965.57 × 15,576.84
  4. Step 4: Simplify right side
    27,511.20x = 591,383,609.40
  5. Step 5: Solve for x
    x = 591,383,609.40/27,511.20
  6. Step 6: Final answer
    x = 21,496.10

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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.