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Finding the Fourth Proportional to 19,202.26, 26,502.51 and 15,253.51

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Solution

The fourth proportional to 19,202.26, 26,502.51 and 15,253.51 is: 21,052.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,202.26 : 26,502.51 = 15,253.51 : x
  2. Step 2: Convert to fraction form
    19,202.26/26,502.51 = 15,253.51/x
  3. Step 3: Cross multiply
    19,202.26x = 26,502.51 × 15,253.51
  4. Step 4: Simplify right side
    19,202.26x = 404,256,301.31
  5. Step 5: Solve for x
    x = 404,256,301.31/19,202.26
  6. Step 6: Final answer
    x = 21,052.54

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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.