Home / 19,670.62-29,531.65-11,679.98

Finding the Fourth Proportional to 19,670.62, 29,531.65 and 11,679.98

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Solution

The fourth proportional to 19,670.62, 29,531.65 and 11,679.98 is: 17,535.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.62 : 29,531.65 = 11,679.98 : x
  2. Step 2: Convert to fraction form
    19,670.62/29,531.65 = 11,679.98/x
  3. Step 3: Cross multiply
    19,670.62x = 29,531.65 × 11,679.98
  4. Step 4: Simplify right side
    19,670.62x = 344,928,893.56
  5. Step 5: Solve for x
    x = 344,928,893.56/19,670.62
  6. Step 6: Final answer
    x = 17,535.24

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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.