Home / 29,902.56-41,262.44-18,415.64

Finding the Fourth Proportional to 29,902.56, 41,262.44 and 18,415.64

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Solution

The fourth proportional to 29,902.56, 41,262.44 and 18,415.64 is: 25,411.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,902.56 : 41,262.44 = 18,415.64 : x
  2. Step 2: Convert to fraction form
    29,902.56/41,262.44 = 18,415.64/x
  3. Step 3: Cross multiply
    29,902.56x = 41,262.44 × 18,415.64
  4. Step 4: Simplify right side
    29,902.56x = 759,874,240.56
  5. Step 5: Solve for x
    x = 759,874,240.56/29,902.56
  6. Step 6: Final answer
    x = 25,411.68

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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.