Home / 20,753.01-31,123.14-5,957.96

Finding the Fourth Proportional to 20,753.01, 31,123.14 and 5,957.96

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Solution

The fourth proportional to 20,753.01, 31,123.14 and 5,957.96 is: 8,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,753.01 : 31,123.14 = 5,957.96 : x
  2. Step 2: Convert to fraction form
    20,753.01/31,123.14 = 5,957.96/x
  3. Step 3: Cross multiply
    20,753.01x = 31,123.14 × 5,957.96
  4. Step 4: Simplify right side
    20,753.01x = 185,430,245.24
  5. Step 5: Solve for x
    x = 185,430,245.24/20,753.01
  6. Step 6: Final answer
    x = 8,935.10

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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.