Home / 18,266.66-27,372.47-14,100.34

Finding the Fourth Proportional to 18,266.66, 27,372.47 and 14,100.34

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Solution

The fourth proportional to 18,266.66, 27,372.47 and 14,100.34 is: 21,129.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.66 : 27,372.47 = 14,100.34 : x
  2. Step 2: Convert to fraction form
    18,266.66/27,372.47 = 14,100.34/x
  3. Step 3: Cross multiply
    18,266.66x = 27,372.47 × 14,100.34
  4. Step 4: Simplify right side
    18,266.66x = 385,961,133.64
  5. Step 5: Solve for x
    x = 385,961,133.64/18,266.66
  6. Step 6: Final answer
    x = 21,129.27

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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.