Home / 13,316.28-19,976.34-4,083

Finding the Fourth Proportional to 13,316.28, 19,976.34 and 4,083

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Solution

The fourth proportional to 13,316.28, 19,976.34 and 4,083 is: 6,125.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.28 : 19,976.34 = 4,083 : x
  2. Step 2: Convert to fraction form
    13,316.28/19,976.34 = 4,083/x
  3. Step 3: Cross multiply
    13,316.28x = 19,976.34 × 4,083
  4. Step 4: Simplify right side
    13,316.28x = 81,563,396.22
  5. Step 5: Solve for x
    x = 81,563,396.22/13,316.28
  6. Step 6: Final answer
    x = 6,125.09

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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.