Home / 23,318.90-32,180.08-12,708.54

Finding the Fourth Proportional to 23,318.90, 32,180.08 and 12,708.54

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Solution

The fourth proportional to 23,318.90, 32,180.08 and 12,708.54 is: 17,537.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,318.90 : 32,180.08 = 12,708.54 : x
  2. Step 2: Convert to fraction form
    23,318.90/32,180.08 = 12,708.54/x
  3. Step 3: Cross multiply
    23,318.90x = 32,180.08 × 12,708.54
  4. Step 4: Simplify right side
    23,318.90x = 408,961,833.88
  5. Step 5: Solve for x
    x = 408,961,833.88/23,318.90
  6. Step 6: Final answer
    x = 17,537.78

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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.