Home / 18,729.41-25,850.21-12,023.51

Finding the Fourth Proportional to 18,729.41, 25,850.21 and 12,023.51

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Solution

The fourth proportional to 18,729.41, 25,850.21 and 12,023.51 is: 16,594.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729.41 : 25,850.21 = 12,023.51 : x
  2. Step 2: Convert to fraction form
    18,729.41/25,850.21 = 12,023.51/x
  3. Step 3: Cross multiply
    18,729.41x = 25,850.21 × 12,023.51
  4. Step 4: Simplify right side
    18,729.41x = 310,810,069.07
  5. Step 5: Solve for x
    x = 310,810,069.07/18,729.41
  6. Step 6: Final answer
    x = 16,594.76

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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.