Home / 18,280.44-25,217.10-11,553.48

Finding the Fourth Proportional to 18,280.44, 25,217.10 and 11,553.48

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Solution

The fourth proportional to 18,280.44, 25,217.10 and 11,553.48 is: 15,937.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.44 : 25,217.10 = 11,553.48 : x
  2. Step 2: Convert to fraction form
    18,280.44/25,217.10 = 11,553.48/x
  3. Step 3: Cross multiply
    18,280.44x = 25,217.10 × 11,553.48
  4. Step 4: Simplify right side
    18,280.44x = 291,345,260.51
  5. Step 5: Solve for x
    x = 291,345,260.51/18,280.44
  6. Step 6: Final answer
    x = 15,937.54

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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.