Home / 18,581.09-27,864.48-6,731.36

Finding the Fourth Proportional to 18,581.09, 27,864.48 and 6,731.36

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Solution

The fourth proportional to 18,581.09, 27,864.48 and 6,731.36 is: 10,094.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581.09 : 27,864.48 = 6,731.36 : x
  2. Step 2: Convert to fraction form
    18,581.09/27,864.48 = 6,731.36/x
  3. Step 3: Cross multiply
    18,581.09x = 27,864.48 × 6,731.36
  4. Step 4: Simplify right side
    18,581.09x = 187,565,706.77
  5. Step 5: Solve for x
    x = 187,565,706.77/18,581.09
  6. Step 6: Final answer
    x = 10,094.44

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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.