Home / 25,169.54-34,682.78-19,469.67

Finding the Fourth Proportional to 25,169.54, 34,682.78 and 19,469.67

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Solution

The fourth proportional to 25,169.54, 34,682.78 and 19,469.67 is: 26,828.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,169.54 : 34,682.78 = 19,469.67 : x
  2. Step 2: Convert to fraction form
    25,169.54/34,682.78 = 19,469.67/x
  3. Step 3: Cross multiply
    25,169.54x = 34,682.78 × 19,469.67
  4. Step 4: Simplify right side
    25,169.54x = 675,262,199.90
  5. Step 5: Solve for x
    x = 675,262,199.90/25,169.54
  6. Step 6: Final answer
    x = 26,828.55

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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.