Home / 17,719.76-26,556.44-8,949.92

Finding the Fourth Proportional to 17,719.76, 26,556.44 and 8,949.92

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Solution

The fourth proportional to 17,719.76, 26,556.44 and 8,949.92 is: 13,413.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,719.76 : 26,556.44 = 8,949.92 : x
  2. Step 2: Convert to fraction form
    17,719.76/26,556.44 = 8,949.92/x
  3. Step 3: Cross multiply
    17,719.76x = 26,556.44 × 8,949.92
  4. Step 4: Simplify right side
    17,719.76x = 237,678,013.48
  5. Step 5: Solve for x
    x = 237,678,013.48/17,719.76
  6. Step 6: Final answer
    x = 13,413.16

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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.