Home / 17,187.75-23,719.10-9,735.75

Finding the Fourth Proportional to 17,187.75, 23,719.10 and 9,735.75

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Solution

The fourth proportional to 17,187.75, 23,719.10 and 9,735.75 is: 13,435.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,187.75 : 23,719.10 = 9,735.75 : x
  2. Step 2: Convert to fraction form
    17,187.75/23,719.10 = 9,735.75/x
  3. Step 3: Cross multiply
    17,187.75x = 23,719.10 × 9,735.75
  4. Step 4: Simplify right side
    17,187.75x = 230,923,179.15
  5. Step 5: Solve for x
    x = 230,923,179.15/17,187.75
  6. Step 6: Final answer
    x = 13,435.34

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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.