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Finding the Fourth Proportional to 16,351.88, 24,482.25 and 13,989.92

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Solution

The fourth proportional to 16,351.88, 24,482.25 and 13,989.92 is: 20,945.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,351.88 : 24,482.25 = 13,989.92 : x
  2. Step 2: Convert to fraction form
    16,351.88/24,482.25 = 13,989.92/x
  3. Step 3: Cross multiply
    16,351.88x = 24,482.25 × 13,989.92
  4. Step 4: Simplify right side
    16,351.88x = 342,504,596.51
  5. Step 5: Solve for x
    x = 342,504,596.51/16,351.88
  6. Step 6: Final answer
    x = 20,945.89

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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.