Home / 14,516.09-20,032.20-8,228.46

Finding the Fourth Proportional to 14,516.09, 20,032.20 and 8,228.46

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Solution

The fourth proportional to 14,516.09, 20,032.20 and 8,228.46 is: 11,355.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,516.09 : 20,032.20 = 8,228.46 : x
  2. Step 2: Convert to fraction form
    14,516.09/20,032.20 = 8,228.46/x
  3. Step 3: Cross multiply
    14,516.09x = 20,032.20 × 8,228.46
  4. Step 4: Simplify right side
    14,516.09x = 164,834,156.41
  5. Step 5: Solve for x
    x = 164,834,156.41/14,516.09
  6. Step 6: Final answer
    x = 11,355.27

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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.