Home / 13,355.49-20,034.62-5,042.51

Finding the Fourth Proportional to 13,355.49, 20,034.62 and 5,042.51

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Solution

The fourth proportional to 13,355.49, 20,034.62 and 5,042.51 is: 7,564.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355.49 : 20,034.62 = 5,042.51 : x
  2. Step 2: Convert to fraction form
    13,355.49/20,034.62 = 5,042.51/x
  3. Step 3: Cross multiply
    13,355.49x = 20,034.62 × 5,042.51
  4. Step 4: Simplify right side
    13,355.49x = 101,024,771.70
  5. Step 5: Solve for x
    x = 101,024,771.70/13,355.49
  6. Step 6: Final answer
    x = 7,564.29

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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.