Home / 26,523.21-36,563.51-18,540.69

Finding the Fourth Proportional to 26,523.21, 36,563.51 and 18,540.69

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Solution

The fourth proportional to 26,523.21, 36,563.51 and 18,540.69 is: 25,559.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,523.21 : 36,563.51 = 18,540.69 : x
  2. Step 2: Convert to fraction form
    26,523.21/36,563.51 = 18,540.69/x
  3. Step 3: Cross multiply
    26,523.21x = 36,563.51 × 18,540.69
  4. Step 4: Simplify right side
    26,523.21x = 677,912,611.52
  5. Step 5: Solve for x
    x = 677,912,611.52/26,523.21
  6. Step 6: Final answer
    x = 25,559.22

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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.