Home / 12,696.08-19,048.68-5,675.51

Finding the Fourth Proportional to 12,696.08, 19,048.68 and 5,675.51

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Solution

The fourth proportional to 12,696.08, 19,048.68 and 5,675.51 is: 8,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696.08 : 19,048.68 = 5,675.51 : x
  2. Step 2: Convert to fraction form
    12,696.08/19,048.68 = 5,675.51/x
  3. Step 3: Cross multiply
    12,696.08x = 19,048.68 × 5,675.51
  4. Step 4: Simplify right side
    12,696.08x = 108,110,914.30
  5. Step 5: Solve for x
    x = 108,110,914.30/12,696.08
  6. Step 6: Final answer
    x = 8,515.30

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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.