Home / 14,387.25-21,579.33-3,858.33

Finding the Fourth Proportional to 14,387.25, 21,579.33 and 3,858.33

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Solution

The fourth proportional to 14,387.25, 21,579.33 and 3,858.33 is: 5,787.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387.25 : 21,579.33 = 3,858.33 : x
  2. Step 2: Convert to fraction form
    14,387.25/21,579.33 = 3,858.33/x
  3. Step 3: Cross multiply
    14,387.25x = 21,579.33 × 3,858.33
  4. Step 4: Simplify right side
    14,387.25x = 83,260,250.01
  5. Step 5: Solve for x
    x = 83,260,250.01/14,387.25
  6. Step 6: Final answer
    x = 5,787.08

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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.