Home / 25,813-38,736.76-11,025.36

Finding the Fourth Proportional to 25,813, 38,736.76 and 11,025.36

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Solution

The fourth proportional to 25,813, 38,736.76 and 11,025.36 is: 16,545.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,813 : 38,736.76 = 11,025.36 : x
  2. Step 2: Convert to fraction form
    25,813/38,736.76 = 11,025.36/x
  3. Step 3: Cross multiply
    25,813x = 38,736.76 × 11,025.36
  4. Step 4: Simplify right side
    25,813x = 427,086,724.23
  5. Step 5: Solve for x
    x = 427,086,724.23/25,813
  6. Step 6: Final answer
    x = 16,545.41

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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.