Home / 13,824.99-20,731.01-5,053.77

Finding the Fourth Proportional to 13,824.99, 20,731.01 and 5,053.77

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Solution

The fourth proportional to 13,824.99, 20,731.01 and 5,053.77 is: 7,578.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.99 : 20,731.01 = 5,053.77 : x
  2. Step 2: Convert to fraction form
    13,824.99/20,731.01 = 5,053.77/x
  3. Step 3: Cross multiply
    13,824.99x = 20,731.01 × 5,053.77
  4. Step 4: Simplify right side
    13,824.99x = 104,769,731.14
  5. Step 5: Solve for x
    x = 104,769,731.14/13,824.99
  6. Step 6: Final answer
    x = 7,578.29

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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.