Home / 19,823.31-29,724.21-8,716.98

Finding the Fourth Proportional to 19,823.31, 29,724.21 and 8,716.98

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Solution

The fourth proportional to 19,823.31, 29,724.21 and 8,716.98 is: 13,070.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,823.31 : 29,724.21 = 8,716.98 : x
  2. Step 2: Convert to fraction form
    19,823.31/29,724.21 = 8,716.98/x
  3. Step 3: Cross multiply
    19,823.31x = 29,724.21 × 8,716.98
  4. Step 4: Simplify right side
    19,823.31x = 259,105,344.09
  5. Step 5: Solve for x
    x = 259,105,344.09/19,823.31
  6. Step 6: Final answer
    x = 13,070.74

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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.