Home / 25,819.56-38,729.34-18,043.56

Finding the Fourth Proportional to 25,819.56, 38,729.34 and 18,043.56

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Solution

The fourth proportional to 25,819.56, 38,729.34 and 18,043.56 is: 27,065.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,819.56 : 38,729.34 = 18,043.56 : x
  2. Step 2: Convert to fraction form
    25,819.56/38,729.34 = 18,043.56/x
  3. Step 3: Cross multiply
    25,819.56x = 38,729.34 × 18,043.56
  4. Step 4: Simplify right side
    25,819.56x = 698,815,170.05
  5. Step 5: Solve for x
    x = 698,815,170.05/25,819.56
  6. Step 6: Final answer
    x = 27,065.34

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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.