Home / 19,719.24-29,531.82-10,932.36

Finding the Fourth Proportional to 19,719.24, 29,531.82 and 10,932.36

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Solution

The fourth proportional to 19,719.24, 29,531.82 and 10,932.36 is: 16,372.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,719.24 : 29,531.82 = 10,932.36 : x
  2. Step 2: Convert to fraction form
    19,719.24/29,531.82 = 10,932.36/x
  3. Step 3: Cross multiply
    19,719.24x = 29,531.82 × 10,932.36
  4. Step 4: Simplify right side
    19,719.24x = 322,852,487.70
  5. Step 5: Solve for x
    x = 322,852,487.70/19,719.24
  6. Step 6: Final answer
    x = 16,372.46

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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.