Home / 16,829.80-25,244.80-5,143.02

Finding the Fourth Proportional to 16,829.80, 25,244.80 and 5,143.02

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Solution

The fourth proportional to 16,829.80, 25,244.80 and 5,143.02 is: 7,714.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,829.80 : 25,244.80 = 5,143.02 : x
  2. Step 2: Convert to fraction form
    16,829.80/25,244.80 = 5,143.02/x
  3. Step 3: Cross multiply
    16,829.80x = 25,244.80 × 5,143.02
  4. Step 4: Simplify right side
    16,829.80x = 129,834,511.30
  5. Step 5: Solve for x
    x = 129,834,511.30/16,829.80
  6. Step 6: Final answer
    x = 7,714.56

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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.