Home / 16,751.79-25,104.21-12,589.14

Finding the Fourth Proportional to 16,751.79, 25,104.21 and 12,589.14

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Solution

The fourth proportional to 16,751.79, 25,104.21 and 12,589.14 is: 18,866.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,751.79 : 25,104.21 = 12,589.14 : x
  2. Step 2: Convert to fraction form
    16,751.79/25,104.21 = 12,589.14/x
  3. Step 3: Cross multiply
    16,751.79x = 25,104.21 × 12,589.14
  4. Step 4: Simplify right side
    16,751.79x = 316,040,414.28
  5. Step 5: Solve for x
    x = 316,040,414.28/16,751.79
  6. Step 6: Final answer
    x = 18,866.07

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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.