Home / 23,540.26-32,485.71-12,929.80

Finding the Fourth Proportional to 23,540.26, 32,485.71 and 12,929.80

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Solution

The fourth proportional to 23,540.26, 32,485.71 and 12,929.80 is: 17,843.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,540.26 : 32,485.71 = 12,929.80 : x
  2. Step 2: Convert to fraction form
    23,540.26/32,485.71 = 12,929.80/x
  3. Step 3: Cross multiply
    23,540.26x = 32,485.71 × 12,929.80
  4. Step 4: Simplify right side
    23,540.26x = 420,033,733.16
  5. Step 5: Solve for x
    x = 420,033,733.16/23,540.26
  6. Step 6: Final answer
    x = 17,843.21

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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.