Home / 27,076.56-37,367.10-15,139.86

Finding the Fourth Proportional to 27,076.56, 37,367.10 and 15,139.86

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Solution

The fourth proportional to 27,076.56, 37,367.10 and 15,139.86 is: 20,893.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,076.56 : 37,367.10 = 15,139.86 : x
  2. Step 2: Convert to fraction form
    27,076.56/37,367.10 = 15,139.86/x
  3. Step 3: Cross multiply
    27,076.56x = 37,367.10 × 15,139.86
  4. Step 4: Simplify right side
    27,076.56x = 565,732,662.61
  5. Step 5: Solve for x
    x = 565,732,662.61/27,076.56
  6. Step 6: Final answer
    x = 20,893.82

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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.