Home / 19,457.33-29,183.09-5,415.89

Finding the Fourth Proportional to 19,457.33, 29,183.09 and 5,415.89

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Solution

The fourth proportional to 19,457.33, 29,183.09 and 5,415.89 is: 8,123.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,457.33 : 29,183.09 = 5,415.89 : x
  2. Step 2: Convert to fraction form
    19,457.33/29,183.09 = 5,415.89/x
  3. Step 3: Cross multiply
    19,457.33x = 29,183.09 × 5,415.89
  4. Step 4: Simplify right side
    19,457.33x = 158,052,232.31
  5. Step 5: Solve for x
    x = 158,052,232.31/19,457.33
  6. Step 6: Final answer
    x = 8,123.02

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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.