Home / 19,650.21-29,457.54-7,167.31

Finding the Fourth Proportional to 19,650.21, 29,457.54 and 7,167.31

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Solution

The fourth proportional to 19,650.21, 29,457.54 and 7,167.31 is: 10,744.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,650.21 : 29,457.54 = 7,167.31 : x
  2. Step 2: Convert to fraction form
    19,650.21/29,457.54 = 7,167.31/x
  3. Step 3: Cross multiply
    19,650.21x = 29,457.54 × 7,167.31
  4. Step 4: Simplify right side
    19,650.21x = 211,131,285.18
  5. Step 5: Solve for x
    x = 211,131,285.18/19,650.21
  6. Step 6: Final answer
    x = 10,744.48

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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.