Home / 25,381.89-38,033.60-11,339.73

Finding the Fourth Proportional to 25,381.89, 38,033.60 and 11,339.73

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Solution

The fourth proportional to 25,381.89, 38,033.60 and 11,339.73 is: 16,992.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,381.89 : 38,033.60 = 11,339.73 : x
  2. Step 2: Convert to fraction form
    25,381.89/38,033.60 = 11,339.73/x
  3. Step 3: Cross multiply
    25,381.89x = 38,033.60 × 11,339.73
  4. Step 4: Simplify right side
    25,381.89x = 431,290,698.23
  5. Step 5: Solve for x
    x = 431,290,698.23/25,381.89
  6. Step 6: Final answer
    x = 16,992.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.