Home / 19,322.53-28,989.56-8,083.29

Finding the Fourth Proportional to 19,322.53, 28,989.56 and 8,083.29

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Solution

The fourth proportional to 19,322.53, 28,989.56 and 8,083.29 is: 12,127.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,322.53 : 28,989.56 = 8,083.29 : x
  2. Step 2: Convert to fraction form
    19,322.53/28,989.56 = 8,083.29/x
  3. Step 3: Cross multiply
    19,322.53x = 28,989.56 × 8,083.29
  4. Step 4: Simplify right side
    19,322.53x = 234,331,020.45
  5. Step 5: Solve for x
    x = 234,331,020.45/19,322.53
  6. Step 6: Final answer
    x = 12,127.35

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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.