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Finding the Fourth Proportional to 14,615.15, 21,922.74 and 9,424.67

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Solution

The fourth proportional to 14,615.15, 21,922.74 and 9,424.67 is: 14,137.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.15 : 21,922.74 = 9,424.67 : x
  2. Step 2: Convert to fraction form
    14,615.15/21,922.74 = 9,424.67/x
  3. Step 3: Cross multiply
    14,615.15x = 21,922.74 × 9,424.67
  4. Step 4: Simplify right side
    14,615.15x = 206,614,480.38
  5. Step 5: Solve for x
    x = 206,614,480.38/14,615.15
  6. Step 6: Final answer
    x = 14,137.01

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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.