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Finding the Fourth Proportional to 24,736.31, 34,136.03 and 13,405.79

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Solution

The fourth proportional to 24,736.31, 34,136.03 and 13,405.79 is: 18,499.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,736.31 : 34,136.03 = 13,405.79 : x
  2. Step 2: Convert to fraction form
    24,736.31/34,136.03 = 13,405.79/x
  3. Step 3: Cross multiply
    24,736.31x = 34,136.03 × 13,405.79
  4. Step 4: Simplify right side
    24,736.31x = 457,620,211.90
  5. Step 5: Solve for x
    x = 457,620,211.90/24,736.31
  6. Step 6: Final answer
    x = 18,499.94

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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.