Home / 26,015.79-35,919.34-17,078.45

Finding the Fourth Proportional to 26,015.79, 35,919.34 and 17,078.45

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Solution

The fourth proportional to 26,015.79, 35,919.34 and 17,078.45 is: 23,579.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,015.79 : 35,919.34 = 17,078.45 : x
  2. Step 2: Convert to fraction form
    26,015.79/35,919.34 = 17,078.45/x
  3. Step 3: Cross multiply
    26,015.79x = 35,919.34 × 17,078.45
  4. Step 4: Simplify right side
    26,015.79x = 613,446,699.33
  5. Step 5: Solve for x
    x = 613,446,699.33/26,015.79
  6. Step 6: Final answer
    x = 23,579.78

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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.