Home / 25,717.62-38,580.06-8,181.48

Finding the Fourth Proportional to 25,717.62, 38,580.06 and 8,181.48

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Solution

The fourth proportional to 25,717.62, 38,580.06 and 8,181.48 is: 12,273.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,717.62 : 38,580.06 = 8,181.48 : x
  2. Step 2: Convert to fraction form
    25,717.62/38,580.06 = 8,181.48/x
  3. Step 3: Cross multiply
    25,717.62x = 38,580.06 × 8,181.48
  4. Step 4: Simplify right side
    25,717.62x = 315,641,989.29
  5. Step 5: Solve for x
    x = 315,641,989.29/25,717.62
  6. Step 6: Final answer
    x = 12,273.37

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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.