Home / 12,927.24-19,378.52-4,156

Finding the Fourth Proportional to 12,927.24, 19,378.52 and 4,156

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Solution

The fourth proportional to 12,927.24, 19,378.52 and 4,156 is: 6,230.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927.24 : 19,378.52 = 4,156 : x
  2. Step 2: Convert to fraction form
    12,927.24/19,378.52 = 4,156/x
  3. Step 3: Cross multiply
    12,927.24x = 19,378.52 × 4,156
  4. Step 4: Simplify right side
    12,927.24x = 80,537,129.12
  5. Step 5: Solve for x
    x = 80,537,129.12/12,927.24
  6. Step 6: Final answer
    x = 6,230.03

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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.