Home / 18,945.44-28,417.15-5,797.82

Finding the Fourth Proportional to 18,945.44, 28,417.15 and 5,797.82

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Solution

The fourth proportional to 18,945.44, 28,417.15 and 5,797.82 is: 8,696.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,945.44 : 28,417.15 = 5,797.82 : x
  2. Step 2: Convert to fraction form
    18,945.44/28,417.15 = 5,797.82/x
  3. Step 3: Cross multiply
    18,945.44x = 28,417.15 × 5,797.82
  4. Step 4: Simplify right side
    18,945.44x = 164,757,520.61
  5. Step 5: Solve for x
    x = 164,757,520.61/18,945.44
  6. Step 6: Final answer
    x = 8,696.42

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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.