Home / 13,324.10-20,029.35-9,455.30

Finding the Fourth Proportional to 13,324.10, 20,029.35 and 9,455.30

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Solution

The fourth proportional to 13,324.10, 20,029.35 and 9,455.30 is: 14,213.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.10 : 20,029.35 = 9,455.30 : x
  2. Step 2: Convert to fraction form
    13,324.10/20,029.35 = 9,455.30/x
  3. Step 3: Cross multiply
    13,324.10x = 20,029.35 × 9,455.30
  4. Step 4: Simplify right side
    13,324.10x = 189,383,513.06
  5. Step 5: Solve for x
    x = 189,383,513.06/13,324.10
  6. Step 6: Final answer
    x = 14,213.61

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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.