Home / 22,668.11-31,278.31-12,596.38

Finding the Fourth Proportional to 22,668.11, 31,278.31 and 12,596.38

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Solution

The fourth proportional to 22,668.11, 31,278.31 and 12,596.38 is: 17,380.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,668.11 : 31,278.31 = 12,596.38 : x
  2. Step 2: Convert to fraction form
    22,668.11/31,278.31 = 12,596.38/x
  3. Step 3: Cross multiply
    22,668.11x = 31,278.31 × 12,596.38
  4. Step 4: Simplify right side
    22,668.11x = 393,993,478.52
  5. Step 5: Solve for x
    x = 393,993,478.52/22,668.11
  6. Step 6: Final answer
    x = 17,380.96

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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.