Home / 14,004.82-19,326.61-7,631.76

Finding the Fourth Proportional to 14,004.82, 19,326.61 and 7,631.76

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Solution

The fourth proportional to 14,004.82, 19,326.61 and 7,631.76 is: 10,531.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.82 : 19,326.61 = 7,631.76 : x
  2. Step 2: Convert to fraction form
    14,004.82/19,326.61 = 7,631.76/x
  3. Step 3: Cross multiply
    14,004.82x = 19,326.61 × 7,631.76
  4. Step 4: Simplify right side
    14,004.82x = 147,496,049.13
  5. Step 5: Solve for x
    x = 147,496,049.13/14,004.82
  6. Step 6: Final answer
    x = 10,531.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.