Home / 19,579.22-27,019.72-11,081.34

Finding the Fourth Proportional to 19,579.22, 27,019.72 and 11,081.34

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Solution

The fourth proportional to 19,579.22, 27,019.72 and 11,081.34 is: 15,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579.22 : 27,019.72 = 11,081.34 : x
  2. Step 2: Convert to fraction form
    19,579.22/27,019.72 = 11,081.34/x
  3. Step 3: Cross multiply
    19,579.22x = 27,019.72 × 11,081.34
  4. Step 4: Simplify right side
    19,579.22x = 299,414,704.02
  5. Step 5: Solve for x
    x = 299,414,704.02/19,579.22
  6. Step 6: Final answer
    x = 15,292.47

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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.