Home / 14,058.06-21,087.99-5,175.78

Finding the Fourth Proportional to 14,058.06, 21,087.99 and 5,175.78

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Solution

The fourth proportional to 14,058.06, 21,087.99 and 5,175.78 is: 7,764.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,058.06 : 21,087.99 = 5,175.78 : x
  2. Step 2: Convert to fraction form
    14,058.06/21,087.99 = 5,175.78/x
  3. Step 3: Cross multiply
    14,058.06x = 21,087.99 × 5,175.78
  4. Step 4: Simplify right side
    14,058.06x = 109,146,796.88
  5. Step 5: Solve for x
    x = 109,146,796.88/14,058.06
  6. Step 6: Final answer
    x = 7,764.00

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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.