Home / 23,540.93-32,486.67-12,930.80

Finding the Fourth Proportional to 23,540.93, 32,486.67 and 12,930.80

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Solution

The fourth proportional to 23,540.93, 32,486.67 and 12,930.80 is: 17,844.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,540.93 : 32,486.67 = 12,930.80 : x
  2. Step 2: Convert to fraction form
    23,540.93/32,486.67 = 12,930.80/x
  3. Step 3: Cross multiply
    23,540.93x = 32,486.67 × 12,930.80
  4. Step 4: Simplify right side
    23,540.93x = 420,078,470.00
  5. Step 5: Solve for x
    x = 420,078,470.00/23,540.93
  6. Step 6: Final answer
    x = 17,844.60

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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.