Home / 23,469.12-32,387.42-12,858.75

Finding the Fourth Proportional to 23,469.12, 32,387.42 and 12,858.75

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Solution

The fourth proportional to 23,469.12, 32,387.42 and 12,858.75 is: 17,745.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,469.12 : 32,387.42 = 12,858.75 : x
  2. Step 2: Convert to fraction form
    23,469.12/32,387.42 = 12,858.75/x
  3. Step 3: Cross multiply
    23,469.12x = 32,387.42 × 12,858.75
  4. Step 4: Simplify right side
    23,469.12x = 416,461,732.91
  5. Step 5: Solve for x
    x = 416,461,732.91/23,469.12
  6. Step 6: Final answer
    x = 17,745.10

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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.