Home / 12,705.44-19,054.12-11,876.22

Finding the Fourth Proportional to 12,705.44, 19,054.12 and 11,876.22

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Solution

The fourth proportional to 12,705.44, 19,054.12 and 11,876.22 is: 17,810.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,705.44 : 19,054.12 = 11,876.22 : x
  2. Step 2: Convert to fraction form
    12,705.44/19,054.12 = 11,876.22/x
  3. Step 3: Cross multiply
    12,705.44x = 19,054.12 × 11,876.22
  4. Step 4: Simplify right side
    12,705.44x = 226,290,921.03
  5. Step 5: Solve for x
    x = 226,290,921.03/12,705.44
  6. Step 6: Final answer
    x = 17,810.55

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1.5x scale

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.