Home / 16,863.84-25,299.60-6,997.68

Finding the Fourth Proportional to 16,863.84, 25,299.60 and 6,997.68

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Solution

The fourth proportional to 16,863.84, 25,299.60 and 6,997.68 is: 10,498.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,863.84 : 25,299.60 = 6,997.68 : x
  2. Step 2: Convert to fraction form
    16,863.84/25,299.60 = 6,997.68/x
  3. Step 3: Cross multiply
    16,863.84x = 25,299.60 × 6,997.68
  4. Step 4: Simplify right side
    16,863.84x = 177,038,504.93
  5. Step 5: Solve for x
    x = 177,038,504.93/16,863.84
  6. Step 6: Final answer
    x = 10,498.11

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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.