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Finding the Fourth Proportional to 14,193.92, 21,291.08 and 4,836.09

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Solution

The fourth proportional to 14,193.92, 21,291.08 and 4,836.09 is: 7,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.92 : 21,291.08 = 4,836.09 : x
  2. Step 2: Convert to fraction form
    14,193.92/21,291.08 = 4,836.09/x
  3. Step 3: Cross multiply
    14,193.92x = 21,291.08 × 4,836.09
  4. Step 4: Simplify right side
    14,193.92x = 102,965,579.08
  5. Step 5: Solve for x
    x = 102,965,579.08/14,193.92
  6. Step 6: Final answer
    x = 7,254.20

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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.