Home / 19,290.51-26,621.97-11,735.64

Finding the Fourth Proportional to 19,290.51, 26,621.97 and 11,735.64

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Solution

The fourth proportional to 19,290.51, 26,621.97 and 11,735.64 is: 16,195.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.51 : 26,621.97 = 11,735.64 : x
  2. Step 2: Convert to fraction form
    19,290.51/26,621.97 = 11,735.64/x
  3. Step 3: Cross multiply
    19,290.51x = 26,621.97 × 11,735.64
  4. Step 4: Simplify right side
    19,290.51x = 312,425,856.01
  5. Step 5: Solve for x
    x = 312,425,856.01/19,290.51
  6. Step 6: Final answer
    x = 16,195.83

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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.