Home / 19,748.81-29,625.68-9,072.61

Finding the Fourth Proportional to 19,748.81, 29,625.68 and 9,072.61

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Solution

The fourth proportional to 19,748.81, 29,625.68 and 9,072.61 is: 13,610.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,748.81 : 29,625.68 = 9,072.61 : x
  2. Step 2: Convert to fraction form
    19,748.81/29,625.68 = 9,072.61/x
  3. Step 3: Cross multiply
    19,748.81x = 29,625.68 × 9,072.61
  4. Step 4: Simplify right side
    19,748.81x = 268,782,189.24
  5. Step 5: Solve for x
    x = 268,782,189.24/19,748.81
  6. Step 6: Final answer
    x = 13,610.04

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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.