Home / 23,540.16-32,485.64-12,930.03

Finding the Fourth Proportional to 23,540.16, 32,485.64 and 12,930.03

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Solution

The fourth proportional to 23,540.16, 32,485.64 and 12,930.03 is: 17,843.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,540.16 : 32,485.64 = 12,930.03 : x
  2. Step 2: Convert to fraction form
    23,540.16/32,485.64 = 12,930.03/x
  3. Step 3: Cross multiply
    23,540.16x = 32,485.64 × 12,930.03
  4. Step 4: Simplify right side
    23,540.16x = 420,040,235.12
  5. Step 5: Solve for x
    x = 420,040,235.12/23,540.16
  6. Step 6: Final answer
    x = 17,843.56

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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.