Home / 14,553.06-20,037.17-13,222.78

Finding the Fourth Proportional to 14,553.06, 20,037.17 and 13,222.78

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Solution

The fourth proportional to 14,553.06, 20,037.17 and 13,222.78 is: 18,205.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,553.06 : 20,037.17 = 13,222.78 : x
  2. Step 2: Convert to fraction form
    14,553.06/20,037.17 = 13,222.78/x
  3. Step 3: Cross multiply
    14,553.06x = 20,037.17 × 13,222.78
  4. Step 4: Simplify right side
    14,553.06x = 264,947,024.62
  5. Step 5: Solve for x
    x = 264,947,024.62/14,553.06
  6. Step 6: Final answer
    x = 18,205.59

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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.