Home / 19,310.12-28,934.94-15,413.48

Finding the Fourth Proportional to 19,310.12, 28,934.94 and 15,413.48

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Solution

The fourth proportional to 19,310.12, 28,934.94 and 15,413.48 is: 23,096.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310.12 : 28,934.94 = 15,413.48 : x
  2. Step 2: Convert to fraction form
    19,310.12/28,934.94 = 15,413.48/x
  3. Step 3: Cross multiply
    19,310.12x = 28,934.94 × 15,413.48
  4. Step 4: Simplify right side
    19,310.12x = 445,988,118.99
  5. Step 5: Solve for x
    x = 445,988,118.99/19,310.12
  6. Step 6: Final answer
    x = 23,096.08

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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.