Home / 12,968.10-19,456.23-9,862.95

Finding the Fourth Proportional to 12,968.10, 19,456.23 and 9,862.95

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Solution

The fourth proportional to 12,968.10, 19,456.23 and 9,862.95 is: 14,797.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,968.10 : 19,456.23 = 9,862.95 : x
  2. Step 2: Convert to fraction form
    12,968.10/19,456.23 = 9,862.95/x
  3. Step 3: Cross multiply
    12,968.10x = 19,456.23 × 9,862.95
  4. Step 4: Simplify right side
    12,968.10x = 191,895,823.68
  5. Step 5: Solve for x
    x = 191,895,823.68/12,968.10
  6. Step 6: Final answer
    x = 14,797.53

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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.