Home / 21,052.45-29,037.18-14,326.21

Finding the Fourth Proportional to 21,052.45, 29,037.18 and 14,326.21

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Solution

The fourth proportional to 21,052.45, 29,037.18 and 14,326.21 is: 19,759.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,052.45 : 29,037.18 = 14,326.21 : x
  2. Step 2: Convert to fraction form
    21,052.45/29,037.18 = 14,326.21/x
  3. Step 3: Cross multiply
    21,052.45x = 29,037.18 × 14,326.21
  4. Step 4: Simplify right side
    21,052.45x = 415,992,738.49
  5. Step 5: Solve for x
    x = 415,992,738.49/21,052.45
  6. Step 6: Final answer
    x = 19,759.83

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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.