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Finding the Fourth Proportional to 24,993.78, 34,491.48 and 13,663.41

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Solution

The fourth proportional to 24,993.78, 34,491.48 and 13,663.41 is: 18,855.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,993.78 : 34,491.48 = 13,663.41 : x
  2. Step 2: Convert to fraction form
    24,993.78/34,491.48 = 13,663.41/x
  3. Step 3: Cross multiply
    24,993.78x = 34,491.48 × 13,663.41
  4. Step 4: Simplify right side
    24,993.78x = 471,271,232.75
  5. Step 5: Solve for x
    x = 471,271,232.75/24,993.78
  6. Step 6: Final answer
    x = 18,855.54

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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.