Home / 28,914.92-39,896.16-16,813.52

Finding the Fourth Proportional to 28,914.92, 39,896.16 and 16,813.52

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Solution

The fourth proportional to 28,914.92, 39,896.16 and 16,813.52 is: 23,198.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,914.92 : 39,896.16 = 16,813.52 : x
  2. Step 2: Convert to fraction form
    28,914.92/39,896.16 = 16,813.52/x
  3. Step 3: Cross multiply
    28,914.92x = 39,896.16 × 16,813.52
  4. Step 4: Simplify right side
    28,914.92x = 670,794,884.08
  5. Step 5: Solve for x
    x = 670,794,884.08/28,914.92
  6. Step 6: Final answer
    x = 23,198.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.