Home / 19,015.20-26,238.96-11,057.04

Finding the Fourth Proportional to 19,015.20, 26,238.96 and 11,057.04

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Solution

The fourth proportional to 19,015.20, 26,238.96 and 11,057.04 is: 15,257.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015.20 : 26,238.96 = 11,057.04 : x
  2. Step 2: Convert to fraction form
    19,015.20/26,238.96 = 11,057.04/x
  3. Step 3: Cross multiply
    19,015.20x = 26,238.96 × 11,057.04
  4. Step 4: Simplify right side
    19,015.20x = 290,125,230.28
  5. Step 5: Solve for x
    x = 290,125,230.28/19,015.20
  6. Step 6: Final answer
    x = 15,257.54

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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.