Home / 21,052.88-29,052.97-11,621.44

Finding the Fourth Proportional to 21,052.88, 29,052.97 and 11,621.44

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Solution

The fourth proportional to 21,052.88, 29,052.97 and 11,621.44 is: 16,037.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,052.88 : 29,052.97 = 11,621.44 : x
  2. Step 2: Convert to fraction form
    21,052.88/29,052.97 = 11,621.44/x
  3. Step 3: Cross multiply
    21,052.88x = 29,052.97 × 11,621.44
  4. Step 4: Simplify right side
    21,052.88x = 337,637,347.68
  5. Step 5: Solve for x
    x = 337,637,347.68/21,052.88
  6. Step 6: Final answer
    x = 16,037.58

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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.