Home / 19,413.52-26,787.72-11,029.84

Finding the Fourth Proportional to 19,413.52, 26,787.72 and 11,029.84

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Solution

The fourth proportional to 19,413.52, 26,787.72 and 11,029.84 is: 15,219.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413.52 : 26,787.72 = 11,029.84 : x
  2. Step 2: Convert to fraction form
    19,413.52/26,787.72 = 11,029.84/x
  3. Step 3: Cross multiply
    19,413.52x = 26,787.72 × 11,029.84
  4. Step 4: Simplify right side
    19,413.52x = 295,464,265.56
  5. Step 5: Solve for x
    x = 295,464,265.56/19,413.52
  6. Step 6: Final answer
    x = 15,219.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.