Home / 14,645.10-21,982.23-8,074.38

Finding the Fourth Proportional to 14,645.10, 21,982.23 and 8,074.38

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Solution

The fourth proportional to 14,645.10, 21,982.23 and 8,074.38 is: 12,119.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,645.10 : 21,982.23 = 8,074.38 : x
  2. Step 2: Convert to fraction form
    14,645.10/21,982.23 = 8,074.38/x
  3. Step 3: Cross multiply
    14,645.10x = 21,982.23 × 8,074.38
  4. Step 4: Simplify right side
    14,645.10x = 177,492,878.27
  5. Step 5: Solve for x
    x = 177,492,878.27/14,645.10
  6. Step 6: Final answer
    x = 12,119.61

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1.5x scale

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.