Home / 20,885.02-31,324.28-6,092.39

Finding the Fourth Proportional to 20,885.02, 31,324.28 and 6,092.39

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Solution

The fourth proportional to 20,885.02, 31,324.28 and 6,092.39 is: 9,137.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,885.02 : 31,324.28 = 6,092.39 : x
  2. Step 2: Convert to fraction form
    20,885.02/31,324.28 = 6,092.39/x
  3. Step 3: Cross multiply
    20,885.02x = 31,324.28 × 6,092.39
  4. Step 4: Simplify right side
    20,885.02x = 190,839,730.23
  5. Step 5: Solve for x
    x = 190,839,730.23/20,885.02
  6. Step 6: Final answer
    x = 9,137.64

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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.