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Finding the Fourth Proportional to 14,676.39, 21,964.53 and 9,336.87

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Solution

The fourth proportional to 14,676.39, 21,964.53 and 9,336.87 is: 13,973.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,676.39 : 21,964.53 = 9,336.87 : x
  2. Step 2: Convert to fraction form
    14,676.39/21,964.53 = 9,336.87/x
  3. Step 3: Cross multiply
    14,676.39x = 21,964.53 × 9,336.87
  4. Step 4: Simplify right side
    14,676.39x = 205,079,996.23
  5. Step 5: Solve for x
    x = 205,079,996.23/14,676.39
  6. Step 6: Final answer
    x = 13,973.46

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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.