Home / 22,668.12-34,010.28-7,876.44

Finding the Fourth Proportional to 22,668.12, 34,010.28 and 7,876.44

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Solution

The fourth proportional to 22,668.12, 34,010.28 and 7,876.44 is: 11,817.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,668.12 : 34,010.28 = 7,876.44 : x
  2. Step 2: Convert to fraction form
    22,668.12/34,010.28 = 7,876.44/x
  3. Step 3: Cross multiply
    22,668.12x = 34,010.28 × 7,876.44
  4. Step 4: Simplify right side
    22,668.12x = 267,879,929.80
  5. Step 5: Solve for x
    x = 267,879,929.80/22,668.12
  6. Step 6: Final answer
    x = 11,817.47

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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.