Home / 23,865.12-32,934.96-13,255.20

Finding the Fourth Proportional to 23,865.12, 32,934.96 and 13,255.20

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Solution

The fourth proportional to 23,865.12, 32,934.96 and 13,255.20 is: 18,292.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,865.12 : 32,934.96 = 13,255.20 : x
  2. Step 2: Convert to fraction form
    23,865.12/32,934.96 = 13,255.20/x
  3. Step 3: Cross multiply
    23,865.12x = 32,934.96 × 13,255.20
  4. Step 4: Simplify right side
    23,865.12x = 436,559,481.79
  5. Step 5: Solve for x
    x = 436,559,481.79/23,865.12
  6. Step 6: Final answer
    x = 18,292.78

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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.