Home / 26,611.89-39,928.46-10,818.11

Finding the Fourth Proportional to 26,611.89, 39,928.46 and 10,818.11

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Solution

The fourth proportional to 26,611.89, 39,928.46 and 10,818.11 is: 16,231.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,611.89 : 39,928.46 = 10,818.11 : x
  2. Step 2: Convert to fraction form
    26,611.89/39,928.46 = 10,818.11/x
  3. Step 3: Cross multiply
    26,611.89x = 39,928.46 × 10,818.11
  4. Step 4: Simplify right side
    26,611.89x = 431,950,218.68
  5. Step 5: Solve for x
    x = 431,950,218.68/26,611.89
  6. Step 6: Final answer
    x = 16,231.47

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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.