Home / 18,160.29-27,242.00-5,012.66

Finding the Fourth Proportional to 18,160.29, 27,242.00 and 5,012.66

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Solution

The fourth proportional to 18,160.29, 27,242.00 and 5,012.66 is: 7,519.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.29 : 27,242.00 = 5,012.66 : x
  2. Step 2: Convert to fraction form
    18,160.29/27,242.00 = 5,012.66/x
  3. Step 3: Cross multiply
    18,160.29x = 27,242.00 × 5,012.66
  4. Step 4: Simplify right side
    18,160.29x = 136,554,964.36
  5. Step 5: Solve for x
    x = 136,554,964.36/18,160.29
  6. Step 6: Final answer
    x = 7,519.43

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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.