Home / 16,961.40-25,428.74-8,193.96

Finding the Fourth Proportional to 16,961.40, 25,428.74 and 8,193.96

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Solution

The fourth proportional to 16,961.40, 25,428.74 and 8,193.96 is: 12,284.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,961.40 : 25,428.74 = 8,193.96 : x
  2. Step 2: Convert to fraction form
    16,961.40/25,428.74 = 8,193.96/x
  3. Step 3: Cross multiply
    16,961.40x = 25,428.74 × 8,193.96
  4. Step 4: Simplify right side
    16,961.40x = 208,362,037.44
  5. Step 5: Solve for x
    x = 208,362,037.44/16,961.40
  6. Step 6: Final answer
    x = 12,284.48

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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.