Home / 16,879.84-25,293.60-12,715.36

Finding the Fourth Proportional to 16,879.84, 25,293.60 and 12,715.36

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Solution

The fourth proportional to 16,879.84, 25,293.60 and 12,715.36 is: 19,053.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.84 : 25,293.60 = 12,715.36 : x
  2. Step 2: Convert to fraction form
    16,879.84/25,293.60 = 12,715.36/x
  3. Step 3: Cross multiply
    16,879.84x = 25,293.60 × 12,715.36
  4. Step 4: Simplify right side
    16,879.84x = 321,617,229.70
  5. Step 5: Solve for x
    x = 321,617,229.70/16,879.84
  6. Step 6: Final answer
    x = 19,053.33

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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.