Home / 15,413.34-23,109.22-7,898.43

Finding the Fourth Proportional to 15,413.34, 23,109.22 and 7,898.43

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Solution

The fourth proportional to 15,413.34, 23,109.22 and 7,898.43 is: 11,842.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413.34 : 23,109.22 = 7,898.43 : x
  2. Step 2: Convert to fraction form
    15,413.34/23,109.22 = 7,898.43/x
  3. Step 3: Cross multiply
    15,413.34x = 23,109.22 × 7,898.43
  4. Step 4: Simplify right side
    15,413.34x = 182,526,556.52
  5. Step 5: Solve for x
    x = 182,526,556.52/15,413.34
  6. Step 6: Final answer
    x = 11,842.12

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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.