Home / 13,673.08-18,867.88-8,083

Finding the Fourth Proportional to 13,673.08, 18,867.88 and 8,083

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Solution

The fourth proportional to 13,673.08, 18,867.88 and 8,083 is: 11,153.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,673.08 : 18,867.88 = 8,083 : x
  2. Step 2: Convert to fraction form
    13,673.08/18,867.88 = 8,083/x
  3. Step 3: Cross multiply
    13,673.08x = 18,867.88 × 8,083
  4. Step 4: Simplify right side
    13,673.08x = 152,509,074.04
  5. Step 5: Solve for x
    x = 152,509,074.04/13,673.08
  6. Step 6: Final answer
    x = 11,153.97

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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.