Home / 25,611.67-38,391.19-9,812.42

Finding the Fourth Proportional to 25,611.67, 38,391.19 and 9,812.42

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Solution

The fourth proportional to 25,611.67, 38,391.19 and 9,812.42 is: 14,708.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,611.67 : 38,391.19 = 9,812.42 : x
  2. Step 2: Convert to fraction form
    25,611.67/38,391.19 = 9,812.42/x
  3. Step 3: Cross multiply
    25,611.67x = 38,391.19 × 9,812.42
  4. Step 4: Simplify right side
    25,611.67x = 376,710,327.68
  5. Step 5: Solve for x
    x = 376,710,327.68/25,611.67
  6. Step 6: Final answer
    x = 14,708.54

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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.