Home / 20,693.34-31,037.01-6,651.54

Finding the Fourth Proportional to 20,693.34, 31,037.01 and 6,651.54

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Solution

The fourth proportional to 20,693.34, 31,037.01 and 6,651.54 is: 9,976.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,693.34 : 31,037.01 = 6,651.54 : x
  2. Step 2: Convert to fraction form
    20,693.34/31,037.01 = 6,651.54/x
  3. Step 3: Cross multiply
    20,693.34x = 31,037.01 × 6,651.54
  4. Step 4: Simplify right side
    20,693.34x = 206,443,913.50
  5. Step 5: Solve for x
    x = 206,443,913.50/20,693.34
  6. Step 6: Final answer
    x = 9,976.35

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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.