Home / 23,540.68-32,486.33-12,930.55

Finding the Fourth Proportional to 23,540.68, 32,486.33 and 12,930.55

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Solution

The fourth proportional to 23,540.68, 32,486.33 and 12,930.55 is: 17,844.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,540.68 : 32,486.33 = 12,930.55 : x
  2. Step 2: Convert to fraction form
    23,540.68/32,486.33 = 12,930.55/x
  3. Step 3: Cross multiply
    23,540.68x = 32,486.33 × 12,930.55
  4. Step 4: Simplify right side
    23,540.68x = 420,065,887.30
  5. Step 5: Solve for x
    x = 420,065,887.30/23,540.68
  6. Step 6: Final answer
    x = 17,844.26

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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.