Home / 13,822.56-18,950.92-13,573.48

Finding the Fourth Proportional to 13,822.56, 18,950.92 and 13,573.48

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Solution

The fourth proportional to 13,822.56, 18,950.92 and 13,573.48 is: 18,609.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822.56 : 18,950.92 = 13,573.48 : x
  2. Step 2: Convert to fraction form
    13,822.56/18,950.92 = 13,573.48/x
  3. Step 3: Cross multiply
    13,822.56x = 18,950.92 × 13,573.48
  4. Step 4: Simplify right side
    13,822.56x = 257,229,933.60
  5. Step 5: Solve for x
    x = 257,229,933.60/13,822.56
  6. Step 6: Final answer
    x = 18,609.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.