Home / 13,047.09-19,569.03-5,553.66

Finding the Fourth Proportional to 13,047.09, 19,569.03 and 5,553.66

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Solution

The fourth proportional to 13,047.09, 19,569.03 and 5,553.66 is: 8,329.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047.09 : 19,569.03 = 5,553.66 : x
  2. Step 2: Convert to fraction form
    13,047.09/19,569.03 = 5,553.66/x
  3. Step 3: Cross multiply
    13,047.09x = 19,569.03 × 5,553.66
  4. Step 4: Simplify right side
    13,047.09x = 108,679,739.15
  5. Step 5: Solve for x
    x = 108,679,739.15/13,047.09
  6. Step 6: Final answer
    x = 8,329.81

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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.