Home / 13,046.86-19,571.35-3,686.96

Finding the Fourth Proportional to 13,046.86, 19,571.35 and 3,686.96

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Solution

The fourth proportional to 13,046.86, 19,571.35 and 3,686.96 is: 5,530.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046.86 : 19,571.35 = 3,686.96 : x
  2. Step 2: Convert to fraction form
    13,046.86/19,571.35 = 3,686.96/x
  3. Step 3: Cross multiply
    13,046.86x = 19,571.35 × 3,686.96
  4. Step 4: Simplify right side
    13,046.86x = 72,158,721.13
  5. Step 5: Solve for x
    x = 72,158,721.13/13,046.86
  6. Step 6: Final answer
    x = 5,530.73

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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.