Home / 12,634.13-18,914.50-7,353.03

Finding the Fourth Proportional to 12,634.13, 18,914.50 and 7,353.03

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Solution

The fourth proportional to 12,634.13, 18,914.50 and 7,353.03 is: 11,008.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,634.13 : 18,914.50 = 7,353.03 : x
  2. Step 2: Convert to fraction form
    12,634.13/18,914.50 = 7,353.03/x
  3. Step 3: Cross multiply
    12,634.13x = 18,914.50 × 7,353.03
  4. Step 4: Simplify right side
    12,634.13x = 139,078,885.94
  5. Step 5: Solve for x
    x = 139,078,885.94/12,634.13
  6. Step 6: Final answer
    x = 11,008.19

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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.