Home / 21,366.86-32,046.48-5,780.84

Finding the Fourth Proportional to 21,366.86, 32,046.48 and 5,780.84

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Solution

The fourth proportional to 21,366.86, 32,046.48 and 5,780.84 is: 8,670.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,366.86 : 32,046.48 = 5,780.84 : x
  2. Step 2: Convert to fraction form
    21,366.86/32,046.48 = 5,780.84/x
  3. Step 3: Cross multiply
    21,366.86x = 32,046.48 × 5,780.84
  4. Step 4: Simplify right side
    21,366.86x = 185,255,413.21
  5. Step 5: Solve for x
    x = 185,255,413.21/21,366.86
  6. Step 6: Final answer
    x = 8,670.22

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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.