Home / 17,077.20-23,571.05-15,305.73

Finding the Fourth Proportional to 17,077.20, 23,571.05 and 15,305.73

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Solution

The fourth proportional to 17,077.20, 23,571.05 and 15,305.73 is: 21,125.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,077.20 : 23,571.05 = 15,305.73 : x
  2. Step 2: Convert to fraction form
    17,077.20/23,571.05 = 15,305.73/x
  3. Step 3: Cross multiply
    17,077.20x = 23,571.05 × 15,305.73
  4. Step 4: Simplify right side
    17,077.20x = 360,772,050.59
  5. Step 5: Solve for x
    x = 360,772,050.59/17,077.20
  6. Step 6: Final answer
    x = 21,125.95

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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.