Home / 17,155.51-25,735.73-5,310.33

Finding the Fourth Proportional to 17,155.51, 25,735.73 and 5,310.33

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Solution

The fourth proportional to 17,155.51, 25,735.73 and 5,310.33 is: 7,966.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,155.51 : 25,735.73 = 5,310.33 : x
  2. Step 2: Convert to fraction form
    17,155.51/25,735.73 = 5,310.33/x
  3. Step 3: Cross multiply
    17,155.51x = 25,735.73 × 5,310.33
  4. Step 4: Simplify right side
    17,155.51x = 136,665,115.94
  5. Step 5: Solve for x
    x = 136,665,115.94/17,155.51
  6. Step 6: Final answer
    x = 7,966.25

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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.