Home / 13,040.88-19,561.23-5,249.58

Finding the Fourth Proportional to 13,040.88, 19,561.23 and 5,249.58

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Solution

The fourth proportional to 13,040.88, 19,561.23 and 5,249.58 is: 7,874.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.88 : 19,561.23 = 5,249.58 : x
  2. Step 2: Convert to fraction form
    13,040.88/19,561.23 = 5,249.58/x
  3. Step 3: Cross multiply
    13,040.88x = 19,561.23 × 5,249.58
  4. Step 4: Simplify right side
    13,040.88x = 102,688,241.78
  5. Step 5: Solve for x
    x = 102,688,241.78/13,040.88
  6. Step 6: Final answer
    x = 7,874.33

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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.