Home / 18,531.72-27,797.51-10,207.35

Finding the Fourth Proportional to 18,531.72, 27,797.51 and 10,207.35

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Solution

The fourth proportional to 18,531.72, 27,797.51 and 10,207.35 is: 15,310.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531.72 : 27,797.51 = 10,207.35 : x
  2. Step 2: Convert to fraction form
    18,531.72/27,797.51 = 10,207.35/x
  3. Step 3: Cross multiply
    18,531.72x = 27,797.51 × 10,207.35
  4. Step 4: Simplify right side
    18,531.72x = 283,738,939.22
  5. Step 5: Solve for x
    x = 283,738,939.22/18,531.72
  6. Step 6: Final answer
    x = 15,310.99

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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.