Home / 19,515.55-29,273.37-11,249.59

Finding the Fourth Proportional to 19,515.55, 29,273.37 and 11,249.59

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Solution

The fourth proportional to 19,515.55, 29,273.37 and 11,249.59 is: 16,874.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.55 : 29,273.37 = 11,249.59 : x
  2. Step 2: Convert to fraction form
    19,515.55/29,273.37 = 11,249.59/x
  3. Step 3: Cross multiply
    19,515.55x = 29,273.37 × 11,249.59
  4. Step 4: Simplify right side
    19,515.55x = 329,313,410.42
  5. Step 5: Solve for x
    x = 329,313,410.42/19,515.55
  6. Step 6: Final answer
    x = 16,874.41

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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.