Home / 22,811.26-34,217.84-7,828.68

Finding the Fourth Proportional to 22,811.26, 34,217.84 and 7,828.68

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Solution

The fourth proportional to 22,811.26, 34,217.84 and 7,828.68 is: 11,743.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,811.26 : 34,217.84 = 7,828.68 : x
  2. Step 2: Convert to fraction form
    22,811.26/34,217.84 = 7,828.68/x
  3. Step 3: Cross multiply
    22,811.26x = 34,217.84 × 7,828.68
  4. Step 4: Simplify right side
    22,811.26x = 267,880,519.65
  5. Step 5: Solve for x
    x = 267,880,519.65/22,811.26
  6. Step 6: Final answer
    x = 11,743.35

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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.