Home / 19,413.32-29,065.26-18,791.24

Finding the Fourth Proportional to 19,413.32, 29,065.26 and 18,791.24

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Solution

The fourth proportional to 19,413.32, 29,065.26 and 18,791.24 is: 28,133.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413.32 : 29,065.26 = 18,791.24 : x
  2. Step 2: Convert to fraction form
    19,413.32/29,065.26 = 18,791.24/x
  3. Step 3: Cross multiply
    19,413.32x = 29,065.26 × 18,791.24
  4. Step 4: Simplify right side
    19,413.32x = 546,172,276.32
  5. Step 5: Solve for x
    x = 546,172,276.32/19,413.32
  6. Step 6: Final answer
    x = 28,133.89

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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.