Home / 15,739.88-23,611.98-4,647.38

Finding the Fourth Proportional to 15,739.88, 23,611.98 and 4,647.38

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Solution

The fourth proportional to 15,739.88, 23,611.98 and 4,647.38 is: 6,971.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,739.88 : 23,611.98 = 4,647.38 : x
  2. Step 2: Convert to fraction form
    15,739.88/23,611.98 = 4,647.38/x
  3. Step 3: Cross multiply
    15,739.88x = 23,611.98 × 4,647.38
  4. Step 4: Simplify right side
    15,739.88x = 109,733,843.61
  5. Step 5: Solve for x
    x = 109,733,843.61/15,739.88
  6. Step 6: Final answer
    x = 6,971.71

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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.