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Finding the Fourth Proportional to 14,205.97, 19,604.29 and 8,543.98

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Solution

The fourth proportional to 14,205.97, 19,604.29 and 8,543.98 is: 11,790.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205.97 : 19,604.29 = 8,543.98 : x
  2. Step 2: Convert to fraction form
    14,205.97/19,604.29 = 8,543.98/x
  3. Step 3: Cross multiply
    14,205.97x = 19,604.29 × 8,543.98
  4. Step 4: Simplify right side
    14,205.97x = 167,498,661.67
  5. Step 5: Solve for x
    x = 167,498,661.67/14,205.97
  6. Step 6: Final answer
    x = 11,790.72

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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.