Home / 19,268.78-26,593.74-11,315.36

Finding the Fourth Proportional to 19,268.78, 26,593.74 and 11,315.36

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Solution

The fourth proportional to 19,268.78, 26,593.74 and 11,315.36 is: 15,616.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.78 : 26,593.74 = 11,315.36 : x
  2. Step 2: Convert to fraction form
    19,268.78/26,593.74 = 11,315.36/x
  3. Step 3: Cross multiply
    19,268.78x = 26,593.74 × 11,315.36
  4. Step 4: Simplify right side
    19,268.78x = 300,917,741.85
  5. Step 5: Solve for x
    x = 300,917,741.85/19,268.78
  6. Step 6: Final answer
    x = 15,616.85

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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.