Home / 12,964.41-19,442.57-4,197.51

Finding the Fourth Proportional to 12,964.41, 19,442.57 and 4,197.51

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Solution

The fourth proportional to 12,964.41, 19,442.57 and 4,197.51 is: 6,294.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,964.41 : 19,442.57 = 4,197.51 : x
  2. Step 2: Convert to fraction form
    12,964.41/19,442.57 = 4,197.51/x
  3. Step 3: Cross multiply
    12,964.41x = 19,442.57 × 4,197.51
  4. Step 4: Simplify right side
    12,964.41x = 81,610,361.01
  5. Step 5: Solve for x
    x = 81,610,361.01/12,964.41
  6. Step 6: Final answer
    x = 6,294.95

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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.