Home / 15,768.72-23,651.32-4,082.96

Finding the Fourth Proportional to 15,768.72, 23,651.32 and 4,082.96

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Solution

The fourth proportional to 15,768.72, 23,651.32 and 4,082.96 is: 6,123.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,768.72 : 23,651.32 = 4,082.96 : x
  2. Step 2: Convert to fraction form
    15,768.72/23,651.32 = 4,082.96/x
  3. Step 3: Cross multiply
    15,768.72x = 23,651.32 × 4,082.96
  4. Step 4: Simplify right side
    15,768.72x = 96,567,393.51
  5. Step 5: Solve for x
    x = 96,567,393.51/15,768.72
  6. Step 6: Final answer
    x = 6,123.98

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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.