Home / 18,363.92-25,388.52-13,576.31

Finding the Fourth Proportional to 18,363.92, 25,388.52 and 13,576.31

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Solution

The fourth proportional to 18,363.92, 25,388.52 and 13,576.31 is: 18,769.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,363.92 : 25,388.52 = 13,576.31 : x
  2. Step 2: Convert to fraction form
    18,363.92/25,388.52 = 13,576.31/x
  3. Step 3: Cross multiply
    18,363.92x = 25,388.52 × 13,576.31
  4. Step 4: Simplify right side
    18,363.92x = 344,682,417.96
  5. Step 5: Solve for x
    x = 344,682,417.96/18,363.92
  6. Step 6: Final answer
    x = 18,769.54

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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.