Home / 25,653.51-38,481.62-8,122.01

Finding the Fourth Proportional to 25,653.51, 38,481.62 and 8,122.01

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Solution

The fourth proportional to 25,653.51, 38,481.62 and 8,122.01 is: 12,183.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,653.51 : 38,481.62 = 8,122.01 : x
  2. Step 2: Convert to fraction form
    25,653.51/38,481.62 = 8,122.01/x
  3. Step 3: Cross multiply
    25,653.51x = 38,481.62 × 8,122.01
  4. Step 4: Simplify right side
    25,653.51x = 312,547,869.44
  5. Step 5: Solve for x
    x = 312,547,869.44/25,653.51
  6. Step 6: Final answer
    x = 12,183.43

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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.