Home / 25,865.94-38,795.97-7,148.62

Finding the Fourth Proportional to 25,865.94, 38,795.97 and 7,148.62

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Solution

The fourth proportional to 25,865.94, 38,795.97 and 7,148.62 is: 10,722.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,865.94 : 38,795.97 = 7,148.62 : x
  2. Step 2: Convert to fraction form
    25,865.94/38,795.97 = 7,148.62/x
  3. Step 3: Cross multiply
    25,865.94x = 38,795.97 × 7,148.62
  4. Step 4: Simplify right side
    25,865.94x = 277,337,647.06
  5. Step 5: Solve for x
    x = 277,337,647.06/25,865.94
  6. Step 6: Final answer
    x = 10,722.12

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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.