Home / 14,476.31-19,975.62-8,103.25

Finding the Fourth Proportional to 14,476.31, 19,975.62 and 8,103.25

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Solution

The fourth proportional to 14,476.31, 19,975.62 and 8,103.25 is: 11,181.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,476.31 : 19,975.62 = 8,103.25 : x
  2. Step 2: Convert to fraction form
    14,476.31/19,975.62 = 8,103.25/x
  3. Step 3: Cross multiply
    14,476.31x = 19,975.62 × 8,103.25
  4. Step 4: Simplify right side
    14,476.31x = 161,867,402.25
  5. Step 5: Solve for x
    x = 161,867,402.25/14,476.31
  6. Step 6: Final answer
    x = 11,181.54

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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.