Home / 13,812.26-20,721.09-5,046.02

Finding the Fourth Proportional to 13,812.26, 20,721.09 and 5,046.02

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Solution

The fourth proportional to 13,812.26, 20,721.09 and 5,046.02 is: 7,570.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,812.26 : 20,721.09 = 5,046.02 : x
  2. Step 2: Convert to fraction form
    13,812.26/20,721.09 = 5,046.02/x
  3. Step 3: Cross multiply
    13,812.26x = 20,721.09 × 5,046.02
  4. Step 4: Simplify right side
    13,812.26x = 104,559,034.56
  5. Step 5: Solve for x
    x = 104,559,034.56/13,812.26
  6. Step 6: Final answer
    x = 7,570.02

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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.