Home / 18,829.74-28,226.22-8,966.37

Finding the Fourth Proportional to 18,829.74, 28,226.22 and 8,966.37

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Solution

The fourth proportional to 18,829.74, 28,226.22 and 8,966.37 is: 13,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.74 : 28,226.22 = 8,966.37 : x
  2. Step 2: Convert to fraction form
    18,829.74/28,226.22 = 8,966.37/x
  3. Step 3: Cross multiply
    18,829.74x = 28,226.22 × 8,966.37
  4. Step 4: Simplify right side
    18,829.74x = 253,086,732.22
  5. Step 5: Solve for x
    x = 253,086,732.22/18,829.74
  6. Step 6: Final answer
    x = 13,440.80

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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.