Home / 27,121.44-40,650.96-16,994.40

Finding the Fourth Proportional to 27,121.44, 40,650.96 and 16,994.40

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Solution

The fourth proportional to 27,121.44, 40,650.96 and 16,994.40 is: 25,472.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,121.44 : 40,650.96 = 16,994.40 : x
  2. Step 2: Convert to fraction form
    27,121.44/40,650.96 = 16,994.40/x
  3. Step 3: Cross multiply
    27,121.44x = 40,650.96 × 16,994.40
  4. Step 4: Simplify right side
    27,121.44x = 690,838,674.62
  5. Step 5: Solve for x
    x = 690,838,674.62/27,121.44
  6. Step 6: Final answer
    x = 25,472.05

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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.