Home / 14,081.51-19,439.49-8,112.03

Finding the Fourth Proportional to 14,081.51, 19,439.49 and 8,112.03

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Solution

The fourth proportional to 14,081.51, 19,439.49 and 8,112.03 is: 11,198.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,081.51 : 19,439.49 = 8,112.03 : x
  2. Step 2: Convert to fraction form
    14,081.51/19,439.49 = 8,112.03/x
  3. Step 3: Cross multiply
    14,081.51x = 19,439.49 × 8,112.03
  4. Step 4: Simplify right side
    14,081.51x = 157,693,726.06
  5. Step 5: Solve for x
    x = 157,693,726.06/14,081.51
  6. Step 6: Final answer
    x = 11,198.64

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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.