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Finding the Fourth Proportional to 14,849.46, 20,492.46 and 8,135.37

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Solution

The fourth proportional to 14,849.46, 20,492.46 and 8,135.37 is: 11,226.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,849.46 : 20,492.46 = 8,135.37 : x
  2. Step 2: Convert to fraction form
    14,849.46/20,492.46 = 8,135.37/x
  3. Step 3: Cross multiply
    14,849.46x = 20,492.46 × 8,135.37
  4. Step 4: Simplify right side
    14,849.46x = 166,713,744.31
  5. Step 5: Solve for x
    x = 166,713,744.31/14,849.46
  6. Step 6: Final answer
    x = 11,226.92

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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.