Home / 18,212.88-25,134.27-10,255.41

Finding the Fourth Proportional to 18,212.88, 25,134.27 and 10,255.41

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Solution

The fourth proportional to 18,212.88, 25,134.27 and 10,255.41 is: 14,152.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212.88 : 25,134.27 = 10,255.41 : x
  2. Step 2: Convert to fraction form
    18,212.88/25,134.27 = 10,255.41/x
  3. Step 3: Cross multiply
    18,212.88x = 25,134.27 × 10,255.41
  4. Step 4: Simplify right side
    18,212.88x = 257,762,205.44
  5. Step 5: Solve for x
    x = 257,762,205.44/18,212.88
  6. Step 6: Final answer
    x = 14,152.74

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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.