Home / 20,749.23-31,123.44-5,957.82

Finding the Fourth Proportional to 20,749.23, 31,123.44 and 5,957.82

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Solution

The fourth proportional to 20,749.23, 31,123.44 and 5,957.82 is: 8,936.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,749.23 : 31,123.44 = 5,957.82 : x
  2. Step 2: Convert to fraction form
    20,749.23/31,123.44 = 5,957.82/x
  3. Step 3: Cross multiply
    20,749.23x = 31,123.44 × 5,957.82
  4. Step 4: Simplify right side
    20,749.23x = 185,427,853.30
  5. Step 5: Solve for x
    x = 185,427,853.30/20,749.23
  6. Step 6: Final answer
    x = 8,936.61

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1.5x scale

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.