Home / 13,100.15-19,650.29-3,740.33

Finding the Fourth Proportional to 13,100.15, 19,650.29 and 3,740.33

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Solution

The fourth proportional to 13,100.15, 19,650.29 and 3,740.33 is: 5,610.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,100.15 : 19,650.29 = 3,740.33 : x
  2. Step 2: Convert to fraction form
    13,100.15/19,650.29 = 3,740.33/x
  3. Step 3: Cross multiply
    13,100.15x = 19,650.29 × 3,740.33
  4. Step 4: Simplify right side
    13,100.15x = 73,498,452.24
  5. Step 5: Solve for x
    x = 73,498,452.24/13,100.15
  6. Step 6: Final answer
    x = 5,610.51

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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.