Home / 18,745.92-28,243.98-16,969.23

Finding the Fourth Proportional to 18,745.92, 28,243.98 and 16,969.23

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Solution

The fourth proportional to 18,745.92, 28,243.98 and 16,969.23 is: 25,567.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,745.92 : 28,243.98 = 16,969.23 : x
  2. Step 2: Convert to fraction form
    18,745.92/28,243.98 = 16,969.23/x
  3. Step 3: Cross multiply
    18,745.92x = 28,243.98 × 16,969.23
  4. Step 4: Simplify right side
    18,745.92x = 479,278,592.74
  5. Step 5: Solve for x
    x = 479,278,592.74/18,745.92
  6. Step 6: Final answer
    x = 25,567.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.