Home / 17,085.36-25,629.66-5,400.30

Finding the Fourth Proportional to 17,085.36, 25,629.66 and 5,400.30

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Solution

The fourth proportional to 17,085.36, 25,629.66 and 5,400.30 is: 8,100.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,085.36 : 25,629.66 = 5,400.30 : x
  2. Step 2: Convert to fraction form
    17,085.36/25,629.66 = 5,400.30/x
  3. Step 3: Cross multiply
    17,085.36x = 25,629.66 × 5,400.30
  4. Step 4: Simplify right side
    17,085.36x = 138,407,852.90
  5. Step 5: Solve for x
    x = 138,407,852.90/17,085.36
  6. Step 6: Final answer
    x = 8,100.96

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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.