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Finding the Fourth Proportional to 14,676.40, 22,014.60 and 8,455.60

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Solution

The fourth proportional to 14,676.40, 22,014.60 and 8,455.60 is: 12,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,676.40 : 22,014.60 = 8,455.60 : x
  2. Step 2: Convert to fraction form
    14,676.40/22,014.60 = 8,455.60/x
  3. Step 3: Cross multiply
    14,676.40x = 22,014.60 × 8,455.60
  4. Step 4: Simplify right side
    14,676.40x = 186,146,651.76
  5. Step 5: Solve for x
    x = 186,146,651.76/14,676.40
  6. Step 6: Final answer
    x = 12,683.40

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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.