Home / 14,516.19-20,032.37-8,228.56

Finding the Fourth Proportional to 14,516.19, 20,032.37 and 8,228.56

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Solution

The fourth proportional to 14,516.19, 20,032.37 and 8,228.56 is: 11,355.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,516.19 : 20,032.37 = 8,228.56 : x
  2. Step 2: Convert to fraction form
    14,516.19/20,032.37 = 8,228.56/x
  3. Step 3: Cross multiply
    14,516.19x = 20,032.37 × 8,228.56
  4. Step 4: Simplify right side
    14,516.19x = 164,837,558.49
  5. Step 5: Solve for x
    x = 164,837,558.49/14,516.19
  6. Step 6: Final answer
    x = 11,355.43

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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.