Home / 16,880.84-25,295.10-12,716.36

Finding the Fourth Proportional to 16,880.84, 25,295.10 and 12,716.36

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Solution

The fourth proportional to 16,880.84, 25,295.10 and 12,716.36 is: 19,054.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,880.84 : 25,295.10 = 12,716.36 : x
  2. Step 2: Convert to fraction form
    16,880.84/25,295.10 = 12,716.36/x
  3. Step 3: Cross multiply
    16,880.84x = 25,295.10 × 12,716.36
  4. Step 4: Simplify right side
    16,880.84x = 321,661,597.84
  5. Step 5: Solve for x
    x = 321,661,597.84/16,880.84
  6. Step 6: Final answer
    x = 19,054.83

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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.