Home / 19,988.03-29,975.81-6,837.35

Finding the Fourth Proportional to 19,988.03, 29,975.81 and 6,837.35

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Solution

The fourth proportional to 19,988.03, 29,975.81 and 6,837.35 is: 10,253.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988.03 : 29,975.81 = 6,837.35 : x
  2. Step 2: Convert to fraction form
    19,988.03/29,975.81 = 6,837.35/x
  3. Step 3: Cross multiply
    19,988.03x = 29,975.81 × 6,837.35
  4. Step 4: Simplify right side
    19,988.03x = 204,954,920.44
  5. Step 5: Solve for x
    x = 204,954,920.44/19,988.03
  6. Step 6: Final answer
    x = 10,253.88

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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.