Home / 20,897.73-31,343.19-6,103.17

Finding the Fourth Proportional to 20,897.73, 31,343.19 and 6,103.17

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Solution

The fourth proportional to 20,897.73, 31,343.19 and 6,103.17 is: 9,153.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,897.73 : 31,343.19 = 6,103.17 : x
  2. Step 2: Convert to fraction form
    20,897.73/31,343.19 = 6,103.17/x
  3. Step 3: Cross multiply
    20,897.73x = 31,343.19 × 6,103.17
  4. Step 4: Simplify right side
    20,897.73x = 191,292,816.91
  5. Step 5: Solve for x
    x = 191,292,816.91/20,897.73
  6. Step 6: Final answer
    x = 9,153.76

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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.