Home / 19,213.09-26,515.82-11,661.36

Finding the Fourth Proportional to 19,213.09, 26,515.82 and 11,661.36

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Solution

The fourth proportional to 19,213.09, 26,515.82 and 11,661.36 is: 16,093.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,213.09 : 26,515.82 = 11,661.36 : x
  2. Step 2: Convert to fraction form
    19,213.09/26,515.82 = 11,661.36/x
  3. Step 3: Cross multiply
    19,213.09x = 26,515.82 × 11,661.36
  4. Step 4: Simplify right side
    19,213.09x = 309,210,522.72
  5. Step 5: Solve for x
    x = 309,210,522.72/19,213.09
  6. Step 6: Final answer
    x = 16,093.74

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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.