Home / 19,584.78-29,381.52-6,436.62

Finding the Fourth Proportional to 19,584.78, 29,381.52 and 6,436.62

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Solution

The fourth proportional to 19,584.78, 29,381.52 and 6,436.62 is: 9,656.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,584.78 : 29,381.52 = 6,436.62 : x
  2. Step 2: Convert to fraction form
    19,584.78/29,381.52 = 6,436.62/x
  3. Step 3: Cross multiply
    19,584.78x = 29,381.52 × 6,436.62
  4. Step 4: Simplify right side
    19,584.78x = 189,117,679.26
  5. Step 5: Solve for x
    x = 189,117,679.26/19,584.78
  6. Step 6: Final answer
    x = 9,656.36

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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.