Home / 21,035.94-29,029.13-11,604.50

Finding the Fourth Proportional to 21,035.94, 29,029.13 and 11,604.50

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Solution

The fourth proportional to 21,035.94, 29,029.13 and 11,604.50 is: 16,013.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,035.94 : 29,029.13 = 11,604.50 : x
  2. Step 2: Convert to fraction form
    21,035.94/29,029.13 = 11,604.50/x
  3. Step 3: Cross multiply
    21,035.94x = 29,029.13 × 11,604.50
  4. Step 4: Simplify right side
    21,035.94x = 336,868,539.09
  5. Step 5: Solve for x
    x = 336,868,539.09/21,035.94
  6. Step 6: Final answer
    x = 16,013.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.