Home / 17,275.57-25,881.91-11,999.43

Finding the Fourth Proportional to 17,275.57, 25,881.91 and 11,999.43

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Solution

The fourth proportional to 17,275.57, 25,881.91 and 11,999.43 is: 17,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,275.57 : 25,881.91 = 11,999.43 : x
  2. Step 2: Convert to fraction form
    17,275.57/25,881.91 = 11,999.43/x
  3. Step 3: Cross multiply
    17,275.57x = 25,881.91 × 11,999.43
  4. Step 4: Simplify right side
    17,275.57x = 310,568,167.31
  5. Step 5: Solve for x
    x = 310,568,167.31/17,275.57
  6. Step 6: Final answer
    x = 17,977.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.