Home / 14,427.72-21,651.84-5,662.64

Finding the Fourth Proportional to 14,427.72, 21,651.84 and 5,662.64

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Solution

The fourth proportional to 14,427.72, 21,651.84 and 5,662.64 is: 8,497.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,427.72 : 21,651.84 = 5,662.64 : x
  2. Step 2: Convert to fraction form
    14,427.72/21,651.84 = 5,662.64/x
  3. Step 3: Cross multiply
    14,427.72x = 21,651.84 × 5,662.64
  4. Step 4: Simplify right side
    14,427.72x = 122,606,467.00
  5. Step 5: Solve for x
    x = 122,606,467.00/14,427.72
  6. Step 6: Final answer
    x = 8,497.98

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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.