Home / 16,736.85-25,065.05-8,406

Finding the Fourth Proportional to 16,736.85, 25,065.05 and 8,406

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Solution

The fourth proportional to 16,736.85, 25,065.05 and 8,406 is: 12,588.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,736.85 : 25,065.05 = 8,406 : x
  2. Step 2: Convert to fraction form
    16,736.85/25,065.05 = 8,406/x
  3. Step 3: Cross multiply
    16,736.85x = 25,065.05 × 8,406
  4. Step 4: Simplify right side
    16,736.85x = 210,696,768.27
  5. Step 5: Solve for x
    x = 210,696,768.27/16,736.85
  6. Step 6: Final answer
    x = 12,588.79

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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.