Home / 13,352.19-20,029.66-5,039.21

Finding the Fourth Proportional to 13,352.19, 20,029.66 and 5,039.21

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Solution

The fourth proportional to 13,352.19, 20,029.66 and 5,039.21 is: 7,559.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.19 : 20,029.66 = 5,039.21 : x
  2. Step 2: Convert to fraction form
    13,352.19/20,029.66 = 5,039.21/x
  3. Step 3: Cross multiply
    13,352.19x = 20,029.66 × 5,039.21
  4. Step 4: Simplify right side
    13,352.19x = 100,933,550.22
  5. Step 5: Solve for x
    x = 100,933,550.22/13,352.19
  6. Step 6: Final answer
    x = 7,559.33

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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.