Home / 16,758.71-25,099.79-7,999.77

Finding the Fourth Proportional to 16,758.71, 25,099.79 and 7,999.77

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Solution

The fourth proportional to 16,758.71, 25,099.79 and 7,999.77 is: 11,981.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,758.71 : 25,099.79 = 7,999.77 : x
  2. Step 2: Convert to fraction form
    16,758.71/25,099.79 = 7,999.77/x
  3. Step 3: Cross multiply
    16,758.71x = 25,099.79 × 7,999.77
  4. Step 4: Simplify right side
    16,758.71x = 200,792,507.05
  5. Step 5: Solve for x
    x = 200,792,507.05/16,758.71
  6. Step 6: Final answer
    x = 11,981.39

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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.