Home / 26,573.91-39,866.34-10,991.53

Finding the Fourth Proportional to 26,573.91, 39,866.34 and 10,991.53

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Solution

The fourth proportional to 26,573.91, 39,866.34 and 10,991.53 is: 16,489.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,573.91 : 39,866.34 = 10,991.53 : x
  2. Step 2: Convert to fraction form
    26,573.91/39,866.34 = 10,991.53/x
  3. Step 3: Cross multiply
    26,573.91x = 39,866.34 × 10,991.53
  4. Step 4: Simplify right side
    26,573.91x = 438,192,163.15
  5. Step 5: Solve for x
    x = 438,192,163.15/26,573.91
  6. Step 6: Final answer
    x = 16,489.57

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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.