Home / 13,798.08-19,046.88-8,208

Finding the Fourth Proportional to 13,798.08, 19,046.88 and 8,208

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Solution

The fourth proportional to 13,798.08, 19,046.88 and 8,208 is: 11,330.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798.08 : 19,046.88 = 8,208 : x
  2. Step 2: Convert to fraction form
    13,798.08/19,046.88 = 8,208/x
  3. Step 3: Cross multiply
    13,798.08x = 19,046.88 × 8,208
  4. Step 4: Simplify right side
    13,798.08x = 156,336,791.04
  5. Step 5: Solve for x
    x = 156,336,791.04/13,798.08
  6. Step 6: Final answer
    x = 11,330.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.