Home / 14,556.87-20,072.72-11,192.27

Finding the Fourth Proportional to 14,556.87, 20,072.72 and 11,192.27

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Solution

The fourth proportional to 14,556.87, 20,072.72 and 11,192.27 is: 15,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,556.87 : 20,072.72 = 11,192.27 : x
  2. Step 2: Convert to fraction form
    14,556.87/20,072.72 = 11,192.27/x
  3. Step 3: Cross multiply
    14,556.87x = 20,072.72 × 11,192.27
  4. Step 4: Simplify right side
    14,556.87x = 224,659,145.55
  5. Step 5: Solve for x
    x = 224,659,145.55/14,556.87
  6. Step 6: Final answer
    x = 15,433.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.