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Finding the Fourth Proportional to 14,815.98, 20,446.37 and 8,846.53

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Solution

The fourth proportional to 14,815.98, 20,446.37 and 8,846.53 is: 12,208.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,815.98 : 20,446.37 = 8,846.53 : x
  2. Step 2: Convert to fraction form
    14,815.98/20,446.37 = 8,846.53/x
  3. Step 3: Cross multiply
    14,815.98x = 20,446.37 × 8,846.53
  4. Step 4: Simplify right side
    14,815.98x = 180,879,528.19
  5. Step 5: Solve for x
    x = 180,879,528.19/14,815.98
  6. Step 6: Final answer
    x = 12,208.41

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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.