Home / 18,785.44-25,922.48-10,401.76

Finding the Fourth Proportional to 18,785.44, 25,922.48 and 10,401.76

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Solution

The fourth proportional to 18,785.44, 25,922.48 and 10,401.76 is: 14,353.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,785.44 : 25,922.48 = 10,401.76 : x
  2. Step 2: Convert to fraction form
    18,785.44/25,922.48 = 10,401.76/x
  3. Step 3: Cross multiply
    18,785.44x = 25,922.48 × 10,401.76
  4. Step 4: Simplify right side
    18,785.44x = 269,639,415.56
  5. Step 5: Solve for x
    x = 269,639,415.56/18,785.44
  6. Step 6: Final answer
    x = 14,353.64

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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.