Home / 18,728.92-28,083.91-6,244.57

Finding the Fourth Proportional to 18,728.92, 28,083.91 and 6,244.57

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Solution

The fourth proportional to 18,728.92, 28,083.91 and 6,244.57 is: 9,363.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,728.92 : 28,083.91 = 6,244.57 : x
  2. Step 2: Convert to fraction form
    18,728.92/28,083.91 = 6,244.57/x
  3. Step 3: Cross multiply
    18,728.92x = 28,083.91 × 6,244.57
  4. Step 4: Simplify right side
    18,728.92x = 175,371,941.87
  5. Step 5: Solve for x
    x = 175,371,941.87/18,728.92
  6. Step 6: Final answer
    x = 9,363.70

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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.