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Finding the Fourth Proportional to 22,863.14, 31,481 and 20,014.57

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Solution

The fourth proportional to 22,863.14, 31,481 and 20,014.57 is: 27,558.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,863.14 : 31,481 = 20,014.57 : x
  2. Step 2: Convert to fraction form
    22,863.14/31,481 = 20,014.57/x
  3. Step 3: Cross multiply
    22,863.14x = 31,481 × 20,014.57
  4. Step 4: Simplify right side
    22,863.14x = 630,078,678.17
  5. Step 5: Solve for x
    x = 630,078,678.17/22,863.14
  6. Step 6: Final answer
    x = 27,558.71

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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.