Home / 26,951.76-37,194.21-15,621.30

Finding the Fourth Proportional to 26,951.76, 37,194.21 and 15,621.30

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Solution

The fourth proportional to 26,951.76, 37,194.21 and 15,621.30 is: 21,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,951.76 : 37,194.21 = 15,621.30 : x
  2. Step 2: Convert to fraction form
    26,951.76/37,194.21 = 15,621.30/x
  3. Step 3: Cross multiply
    26,951.76x = 37,194.21 × 15,621.30
  4. Step 4: Simplify right side
    26,951.76x = 581,021,912.67
  5. Step 5: Solve for x
    x = 581,021,912.67/26,951.76
  6. Step 6: Final answer
    x = 21,557.85

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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.