Home / 17,988.33-26,979.21-4,837.62

Finding the Fourth Proportional to 17,988.33, 26,979.21 and 4,837.62

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Solution

The fourth proportional to 17,988.33, 26,979.21 and 4,837.62 is: 7,255.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.33 : 26,979.21 = 4,837.62 : x
  2. Step 2: Convert to fraction form
    17,988.33/26,979.21 = 4,837.62/x
  3. Step 3: Cross multiply
    17,988.33x = 26,979.21 × 4,837.62
  4. Step 4: Simplify right side
    17,988.33x = 130,515,165.88
  5. Step 5: Solve for x
    x = 130,515,165.88/17,988.33
  6. Step 6: Final answer
    x = 7,255.55

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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.