Home / 13,809.15-20,724.66-5,046.57

Finding the Fourth Proportional to 13,809.15, 20,724.66 and 5,046.57

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Solution

The fourth proportional to 13,809.15, 20,724.66 and 5,046.57 is: 7,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,809.15 : 20,724.66 = 5,046.57 : x
  2. Step 2: Convert to fraction form
    13,809.15/20,724.66 = 5,046.57/x
  3. Step 3: Cross multiply
    13,809.15x = 20,724.66 × 5,046.57
  4. Step 4: Simplify right side
    13,809.15x = 104,588,447.42
  5. Step 5: Solve for x
    x = 104,588,447.42/13,809.15
  6. Step 6: Final answer
    x = 7,573.85

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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.