Home / 23,287.56-32,138.10-13,351.56

Finding the Fourth Proportional to 23,287.56, 32,138.10 and 13,351.56

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Solution

The fourth proportional to 23,287.56, 32,138.10 and 13,351.56 is: 18,425.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,287.56 : 32,138.10 = 13,351.56 : x
  2. Step 2: Convert to fraction form
    23,287.56/32,138.10 = 13,351.56/x
  3. Step 3: Cross multiply
    23,287.56x = 32,138.10 × 13,351.56
  4. Step 4: Simplify right side
    23,287.56x = 429,093,770.44
  5. Step 5: Solve for x
    x = 429,093,770.44/23,287.56
  6. Step 6: Final answer
    x = 18,425.88

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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.