Home / 22,413.53-30,901.77-18,365.31

Finding the Fourth Proportional to 22,413.53, 30,901.77 and 18,365.31

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Solution

The fourth proportional to 22,413.53, 30,901.77 and 18,365.31 is: 25,320.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,413.53 : 30,901.77 = 18,365.31 : x
  2. Step 2: Convert to fraction form
    22,413.53/30,901.77 = 18,365.31/x
  3. Step 3: Cross multiply
    22,413.53x = 30,901.77 × 18,365.31
  4. Step 4: Simplify right side
    22,413.53x = 567,520,585.60
  5. Step 5: Solve for x
    x = 567,520,585.60/22,413.53
  6. Step 6: Final answer
    x = 25,320.44

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1.5x scale

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.