Home / 23,512.12-32,447.40-12,902.42

Finding the Fourth Proportional to 23,512.12, 32,447.40 and 12,902.42

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Solution

The fourth proportional to 23,512.12, 32,447.40 and 12,902.42 is: 17,805.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,512.12 : 32,447.40 = 12,902.42 : x
  2. Step 2: Convert to fraction form
    23,512.12/32,447.40 = 12,902.42/x
  3. Step 3: Cross multiply
    23,512.12x = 32,447.40 × 12,902.42
  4. Step 4: Simplify right side
    23,512.12x = 418,649,982.71
  5. Step 5: Solve for x
    x = 418,649,982.71/23,512.12
  6. Step 6: Final answer
    x = 17,805.71

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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.