Home / 14,321.25-21,377.25-13,266.03

Finding the Fourth Proportional to 14,321.25, 21,377.25 and 13,266.03

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Solution

The fourth proportional to 14,321.25, 21,377.25 and 13,266.03 is: 19,802.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321.25 : 21,377.25 = 13,266.03 : x
  2. Step 2: Convert to fraction form
    14,321.25/21,377.25 = 13,266.03/x
  3. Step 3: Cross multiply
    14,321.25x = 21,377.25 × 13,266.03
  4. Step 4: Simplify right side
    14,321.25x = 283,591,239.82
  5. Step 5: Solve for x
    x = 283,591,239.82/14,321.25
  6. Step 6: Final answer
    x = 19,802.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.