Home / 13,443.48-20,166.48-3,583.35

Finding the Fourth Proportional to 13,443.48, 20,166.48 and 3,583.35

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Solution

The fourth proportional to 13,443.48, 20,166.48 and 3,583.35 is: 5,375.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443.48 : 20,166.48 = 3,583.35 : x
  2. Step 2: Convert to fraction form
    13,443.48/20,166.48 = 3,583.35/x
  3. Step 3: Cross multiply
    13,443.48x = 20,166.48 × 3,583.35
  4. Step 4: Simplify right side
    13,443.48x = 72,263,556.11
  5. Step 5: Solve for x
    x = 72,263,556.11/13,443.48
  6. Step 6: Final answer
    x = 5,375.36

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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.