Home / 14,387.24-21,579.14-3,858.10

Finding the Fourth Proportional to 14,387.24, 21,579.14 and 3,858.10

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Solution

The fourth proportional to 14,387.24, 21,579.14 and 3,858.10 is: 5,786.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387.24 : 21,579.14 = 3,858.10 : x
  2. Step 2: Convert to fraction form
    14,387.24/21,579.14 = 3,858.10/x
  3. Step 3: Cross multiply
    14,387.24x = 21,579.14 × 3,858.10
  4. Step 4: Simplify right side
    14,387.24x = 83,254,435.73
  5. Step 5: Solve for x
    x = 83,254,435.73/14,387.24
  6. Step 6: Final answer
    x = 5,786.68

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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.