Home / 13,791.10-20,674.26-13,372.81

Finding the Fourth Proportional to 13,791.10, 20,674.26 and 13,372.81

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Solution

The fourth proportional to 13,791.10, 20,674.26 and 13,372.81 is: 20,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791.10 : 20,674.26 = 13,372.81 : x
  2. Step 2: Convert to fraction form
    13,791.10/20,674.26 = 13,372.81/x
  3. Step 3: Cross multiply
    13,791.10x = 20,674.26 × 13,372.81
  4. Step 4: Simplify right side
    13,791.10x = 276,472,950.87
  5. Step 5: Solve for x
    x = 276,472,950.87/13,791.10
  6. Step 6: Final answer
    x = 20,047.20

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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.