Home / 13,101.09-19,651.85-7,294.61

Finding the Fourth Proportional to 13,101.09, 19,651.85 and 7,294.61

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Solution

The fourth proportional to 13,101.09, 19,651.85 and 7,294.61 is: 10,942.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101.09 : 19,651.85 = 7,294.61 : x
  2. Step 2: Convert to fraction form
    13,101.09/19,651.85 = 7,294.61/x
  3. Step 3: Cross multiply
    13,101.09x = 19,651.85 × 7,294.61
  4. Step 4: Simplify right side
    13,101.09x = 143,352,581.53
  5. Step 5: Solve for x
    x = 143,352,581.53/13,101.09
  6. Step 6: Final answer
    x = 10,942.03

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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.