Home / 15,980.76-23,968.44-4,291.38

Finding the Fourth Proportional to 15,980.76, 23,968.44 and 4,291.38

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Solution

The fourth proportional to 15,980.76, 23,968.44 and 4,291.38 is: 6,436.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.76 : 23,968.44 = 4,291.38 : x
  2. Step 2: Convert to fraction form
    15,980.76/23,968.44 = 4,291.38/x
  3. Step 3: Cross multiply
    15,980.76x = 23,968.44 × 4,291.38
  4. Step 4: Simplify right side
    15,980.76x = 102,857,684.05
  5. Step 5: Solve for x
    x = 102,857,684.05/15,980.76
  6. Step 6: Final answer
    x = 6,436.34

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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.