Home / 29,963.22-41,343.81-18,635.70

Finding the Fourth Proportional to 29,963.22, 41,343.81 and 18,635.70

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Solution

The fourth proportional to 29,963.22, 41,343.81 and 18,635.70 is: 25,713.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,963.22 : 41,343.81 = 18,635.70 : x
  2. Step 2: Convert to fraction form
    29,963.22/41,343.81 = 18,635.70/x
  3. Step 3: Cross multiply
    29,963.22x = 41,343.81 × 18,635.70
  4. Step 4: Simplify right side
    29,963.22x = 770,470,840.02
  5. Step 5: Solve for x
    x = 770,470,840.02/29,963.22
  6. Step 6: Final answer
    x = 25,713.89

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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.