Home / 30,126.06-41,577.40-18,189.39

Finding the Fourth Proportional to 30,126.06, 41,577.40 and 18,189.39

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Solution

The fourth proportional to 30,126.06, 41,577.40 and 18,189.39 is: 25,103.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,126.06 : 41,577.40 = 18,189.39 : x
  2. Step 2: Convert to fraction form
    30,126.06/41,577.40 = 18,189.39/x
  3. Step 3: Cross multiply
    30,126.06x = 41,577.40 × 18,189.39
  4. Step 4: Simplify right side
    30,126.06x = 756,267,722.44
  5. Step 5: Solve for x
    x = 756,267,722.44/30,126.06
  6. Step 6: Final answer
    x = 25,103.44

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.