Home / 13,032.43-17,971.23-11,150.25

Finding the Fourth Proportional to 13,032.43, 17,971.23 and 11,150.25

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Solution

The fourth proportional to 13,032.43, 17,971.23 and 11,150.25 is: 15,375.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032.43 : 17,971.23 = 11,150.25 : x
  2. Step 2: Convert to fraction form
    13,032.43/17,971.23 = 11,150.25/x
  3. Step 3: Cross multiply
    13,032.43x = 17,971.23 × 11,150.25
  4. Step 4: Simplify right side
    13,032.43x = 200,383,707.31
  5. Step 5: Solve for x
    x = 200,383,707.31/13,032.43
  6. Step 6: Final answer
    x = 15,375.77

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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.