Home / 27,125.25-37,431.30-15,188.37

Finding the Fourth Proportional to 27,125.25, 37,431.30 and 15,188.37

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Solution

The fourth proportional to 27,125.25, 37,431.30 and 15,188.37 is: 20,959.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,125.25 : 37,431.30 = 15,188.37 : x
  2. Step 2: Convert to fraction form
    27,125.25/37,431.30 = 15,188.37/x
  3. Step 3: Cross multiply
    27,125.25x = 37,431.30 × 15,188.37
  4. Step 4: Simplify right side
    27,125.25x = 568,520,433.98
  5. Step 5: Solve for x
    x = 568,520,433.98/27,125.25
  6. Step 6: Final answer
    x = 20,959.09

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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.