Home / 27,122.37-37,432.80-15,186.48

Finding the Fourth Proportional to 27,122.37, 37,432.80 and 15,186.48

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Solution

The fourth proportional to 27,122.37, 37,432.80 and 15,186.48 is: 20,959.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,122.37 : 37,432.80 = 15,186.48 : x
  2. Step 2: Convert to fraction form
    27,122.37/37,432.80 = 15,186.48/x
  3. Step 3: Cross multiply
    27,122.37x = 37,432.80 × 15,186.48
  4. Step 4: Simplify right side
    27,122.37x = 568,472,468.54
  5. Step 5: Solve for x
    x = 568,472,468.54/27,122.37
  6. Step 6: Final answer
    x = 20,959.54

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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.