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Finding the Fourth Proportional to 14,693.81, 22,040.91 and 8,105.67

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Solution

The fourth proportional to 14,693.81, 22,040.91 and 8,105.67 is: 12,158.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,693.81 : 22,040.91 = 8,105.67 : x
  2. Step 2: Convert to fraction form
    14,693.81/22,040.91 = 8,105.67/x
  3. Step 3: Cross multiply
    14,693.81x = 22,040.91 × 8,105.67
  4. Step 4: Simplify right side
    14,693.81x = 178,656,342.96
  5. Step 5: Solve for x
    x = 178,656,342.96/14,693.81
  6. Step 6: Final answer
    x = 12,158.62

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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.