Home / 13,669.30-20,504.96-4,904.29

Finding the Fourth Proportional to 13,669.30, 20,504.96 and 4,904.29

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Solution

The fourth proportional to 13,669.30, 20,504.96 and 4,904.29 is: 7,356.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669.30 : 20,504.96 = 4,904.29 : x
  2. Step 2: Convert to fraction form
    13,669.30/20,504.96 = 4,904.29/x
  3. Step 3: Cross multiply
    13,669.30x = 20,504.96 × 4,904.29
  4. Step 4: Simplify right side
    13,669.30x = 100,562,143.23
  5. Step 5: Solve for x
    x = 100,562,143.23/13,669.30
  6. Step 6: Final answer
    x = 7,356.79

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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.