Home / 20,843.02-31,266.61-6,802.48

Finding the Fourth Proportional to 20,843.02, 31,266.61 and 6,802.48

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Solution

The fourth proportional to 20,843.02, 31,266.61 and 6,802.48 is: 10,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,843.02 : 31,266.61 = 6,802.48 : x
  2. Step 2: Convert to fraction form
    20,843.02/31,266.61 = 6,802.48/x
  3. Step 3: Cross multiply
    20,843.02x = 31,266.61 × 6,802.48
  4. Step 4: Simplify right side
    20,843.02x = 212,690,511.27
  5. Step 5: Solve for x
    x = 212,690,511.27/20,843.02
  6. Step 6: Final answer
    x = 10,204.40

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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.