Home / 21,448.26-29,599.41-12,016.50

Finding the Fourth Proportional to 21,448.26, 29,599.41 and 12,016.50

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Solution

The fourth proportional to 21,448.26, 29,599.41 and 12,016.50 is: 16,583.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,448.26 : 29,599.41 = 12,016.50 : x
  2. Step 2: Convert to fraction form
    21,448.26/29,599.41 = 12,016.50/x
  3. Step 3: Cross multiply
    21,448.26x = 29,599.41 × 12,016.50
  4. Step 4: Simplify right side
    21,448.26x = 355,681,310.27
  5. Step 5: Solve for x
    x = 355,681,310.27/21,448.26
  6. Step 6: Final answer
    x = 16,583.22

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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.