Home / 13,031.03-19,546.38-3,170.33

Finding the Fourth Proportional to 13,031.03, 19,546.38 and 3,170.33

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Solution

The fourth proportional to 13,031.03, 19,546.38 and 3,170.33 is: 4,755.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.03 : 19,546.38 = 3,170.33 : x
  2. Step 2: Convert to fraction form
    13,031.03/19,546.38 = 3,170.33/x
  3. Step 3: Cross multiply
    13,031.03x = 19,546.38 × 3,170.33
  4. Step 4: Simplify right side
    13,031.03x = 61,968,377.17
  5. Step 5: Solve for x
    x = 61,968,377.17/13,031.03
  6. Step 6: Final answer
    x = 4,755.45

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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.