Home / 18,841.85-25,936.50-16,288.43

Finding the Fourth Proportional to 18,841.85, 25,936.50 and 16,288.43

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Solution

The fourth proportional to 18,841.85, 25,936.50 and 16,288.43 is: 22,421.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,841.85 : 25,936.50 = 16,288.43 : x
  2. Step 2: Convert to fraction form
    18,841.85/25,936.50 = 16,288.43/x
  3. Step 3: Cross multiply
    18,841.85x = 25,936.50 × 16,288.43
  4. Step 4: Simplify right side
    18,841.85x = 422,464,864.70
  5. Step 5: Solve for x
    x = 422,464,864.70/18,841.85
  6. Step 6: Final answer
    x = 22,421.62

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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.