Home / 20,098.83-30,137.72-6,948.08

Finding the Fourth Proportional to 20,098.83, 30,137.72 and 6,948.08

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Solution

The fourth proportional to 20,098.83, 30,137.72 and 6,948.08 is: 10,418.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,098.83 : 30,137.72 = 6,948.08 : x
  2. Step 2: Convert to fraction form
    20,098.83/30,137.72 = 6,948.08/x
  3. Step 3: Cross multiply
    20,098.83x = 30,137.72 × 6,948.08
  4. Step 4: Simplify right side
    20,098.83x = 209,399,104.15
  5. Step 5: Solve for x
    x = 209,399,104.15/20,098.83
  6. Step 6: Final answer
    x = 10,418.47

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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.