Home / 17,169.75-23,686.32-11,199.24

Finding the Fourth Proportional to 17,169.75, 23,686.32 and 11,199.24

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Solution

The fourth proportional to 17,169.75, 23,686.32 and 11,199.24 is: 15,449.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,169.75 : 23,686.32 = 11,199.24 : x
  2. Step 2: Convert to fraction form
    17,169.75/23,686.32 = 11,199.24/x
  3. Step 3: Cross multiply
    17,169.75x = 23,686.32 × 11,199.24
  4. Step 4: Simplify right side
    17,169.75x = 265,268,782.40
  5. Step 5: Solve for x
    x = 265,268,782.40/17,169.75
  6. Step 6: Final answer
    x = 15,449.78

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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.