Home / 19,884.72-29,817.54-11,566.96

Finding the Fourth Proportional to 19,884.72, 29,817.54 and 11,566.96

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Solution

The fourth proportional to 19,884.72, 29,817.54 and 11,566.96 is: 17,344.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,884.72 : 29,817.54 = 11,566.96 : x
  2. Step 2: Convert to fraction form
    19,884.72/29,817.54 = 11,566.96/x
  3. Step 3: Cross multiply
    19,884.72x = 29,817.54 × 11,566.96
  4. Step 4: Simplify right side
    19,884.72x = 344,898,292.48
  5. Step 5: Solve for x
    x = 344,898,292.48/19,884.72
  6. Step 6: Final answer
    x = 17,344.89

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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.