Home / 19,073.37-28,618.72-8,542.29

Finding the Fourth Proportional to 19,073.37, 28,618.72 and 8,542.29

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Solution

The fourth proportional to 19,073.37, 28,618.72 and 8,542.29 is: 12,817.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,073.37 : 28,618.72 = 8,542.29 : x
  2. Step 2: Convert to fraction form
    19,073.37/28,618.72 = 8,542.29/x
  3. Step 3: Cross multiply
    19,073.37x = 28,618.72 × 8,542.29
  4. Step 4: Simplify right side
    19,073.37x = 244,469,250.16
  5. Step 5: Solve for x
    x = 244,469,250.16/19,073.37
  6. Step 6: Final answer
    x = 12,817.31

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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.