Home / 34,126.88-51,195.81-11,939.76

Finding the Fourth Proportional to 34,126.88, 51,195.81 and 11,939.76

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Solution

The fourth proportional to 34,126.88, 51,195.81 and 11,939.76 is: 17,911.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,126.88 : 51,195.81 = 11,939.76 : x
  2. Step 2: Convert to fraction form
    34,126.88/51,195.81 = 11,939.76/x
  3. Step 3: Cross multiply
    34,126.88x = 51,195.81 × 11,939.76
  4. Step 4: Simplify right side
    34,126.88x = 611,265,684.41
  5. Step 5: Solve for x
    x = 611,265,684.41/34,126.88
  6. Step 6: Final answer
    x = 17,911.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.