Home / 19,269.94-28,906.84-5,230.20

Finding the Fourth Proportional to 19,269.94, 28,906.84 and 5,230.20

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Solution

The fourth proportional to 19,269.94, 28,906.84 and 5,230.20 is: 7,845.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269.94 : 28,906.84 = 5,230.20 : x
  2. Step 2: Convert to fraction form
    19,269.94/28,906.84 = 5,230.20/x
  3. Step 3: Cross multiply
    19,269.94x = 28,906.84 × 5,230.20
  4. Step 4: Simplify right side
    19,269.94x = 151,188,554.57
  5. Step 5: Solve for x
    x = 151,188,554.57/19,269.94
  6. Step 6: Final answer
    x = 7,845.82

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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.