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Finding the Fourth Proportional to 18,852.81, 25,994.03 and 16,295.96

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Solution

The fourth proportional to 18,852.81, 25,994.03 and 16,295.96 is: 22,468.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852.81 : 25,994.03 = 16,295.96 : x
  2. Step 2: Convert to fraction form
    18,852.81/25,994.03 = 16,295.96/x
  3. Step 3: Cross multiply
    18,852.81x = 25,994.03 × 16,295.96
  4. Step 4: Simplify right side
    18,852.81x = 423,597,461.67
  5. Step 5: Solve for x
    x = 423,597,461.67/18,852.81
  6. Step 6: Final answer
    x = 22,468.66

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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.