Home / 21,474.90-29,629.44-12,043.26

Finding the Fourth Proportional to 21,474.90, 29,629.44 and 12,043.26

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Solution

The fourth proportional to 21,474.90, 29,629.44 and 12,043.26 is: 16,616.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,474.90 : 29,629.44 = 12,043.26 : x
  2. Step 2: Convert to fraction form
    21,474.90/29,629.44 = 12,043.26/x
  3. Step 3: Cross multiply
    21,474.90x = 29,629.44 × 12,043.26
  4. Step 4: Simplify right side
    21,474.90x = 356,835,049.57
  5. Step 5: Solve for x
    x = 356,835,049.57/21,474.90
  6. Step 6: Final answer
    x = 16,616.38

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1.5x scale

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.