Home / 16,740.84-25,121.51-6,743.75

Finding the Fourth Proportional to 16,740.84, 25,121.51 and 6,743.75

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Solution

The fourth proportional to 16,740.84, 25,121.51 and 6,743.75 is: 10,119.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,740.84 : 25,121.51 = 6,743.75 : x
  2. Step 2: Convert to fraction form
    16,740.84/25,121.51 = 6,743.75/x
  3. Step 3: Cross multiply
    16,740.84x = 25,121.51 × 6,743.75
  4. Step 4: Simplify right side
    16,740.84x = 169,413,183.06
  5. Step 5: Solve for x
    x = 169,413,183.06/16,740.84
  6. Step 6: Final answer
    x = 10,119.75

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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.