Home / 20,627.73-28,461.51-11,673.27

Finding the Fourth Proportional to 20,627.73, 28,461.51 and 11,673.27

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Solution

The fourth proportional to 20,627.73, 28,461.51 and 11,673.27 is: 16,106.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,627.73 : 28,461.51 = 11,673.27 : x
  2. Step 2: Convert to fraction form
    20,627.73/28,461.51 = 11,673.27/x
  3. Step 3: Cross multiply
    20,627.73x = 28,461.51 × 11,673.27
  4. Step 4: Simplify right side
    20,627.73x = 332,238,890.84
  5. Step 5: Solve for x
    x = 332,238,890.84/20,627.73
  6. Step 6: Final answer
    x = 16,106.42

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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.