Home / 14,636.38-20,198.55-8,348.62

Finding the Fourth Proportional to 14,636.38, 20,198.55 and 8,348.62

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Solution

The fourth proportional to 14,636.38, 20,198.55 and 8,348.62 is: 11,521.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,636.38 : 20,198.55 = 8,348.62 : x
  2. Step 2: Convert to fraction form
    14,636.38/20,198.55 = 8,348.62/x
  3. Step 3: Cross multiply
    14,636.38x = 20,198.55 × 8,348.62
  4. Step 4: Simplify right side
    14,636.38x = 168,630,018.50
  5. Step 5: Solve for x
    x = 168,630,018.50/14,636.38
  6. Step 6: Final answer
    x = 11,521.29

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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.