Home / 18,981.35-28,474.74-5,834.82

Finding the Fourth Proportional to 18,981.35, 28,474.74 and 5,834.82

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Solution

The fourth proportional to 18,981.35, 28,474.74 and 5,834.82 is: 8,753.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,981.35 : 28,474.74 = 5,834.82 : x
  2. Step 2: Convert to fraction form
    18,981.35/28,474.74 = 5,834.82/x
  3. Step 3: Cross multiply
    18,981.35x = 28,474.74 × 5,834.82
  4. Step 4: Simplify right side
    18,981.35x = 166,144,982.45
  5. Step 5: Solve for x
    x = 166,144,982.45/18,981.35
  6. Step 6: Final answer
    x = 8,753.07

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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.