Home / 13,891.74-19,173.72-8,854.96

Finding the Fourth Proportional to 13,891.74, 19,173.72 and 8,854.96

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Solution

The fourth proportional to 13,891.74, 19,173.72 and 8,854.96 is: 12,221.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891.74 : 19,173.72 = 8,854.96 : x
  2. Step 2: Convert to fraction form
    13,891.74/19,173.72 = 8,854.96/x
  3. Step 3: Cross multiply
    13,891.74x = 19,173.72 × 8,854.96
  4. Step 4: Simplify right side
    13,891.74x = 169,782,508.92
  5. Step 5: Solve for x
    x = 169,782,508.92/13,891.74
  6. Step 6: Final answer
    x = 12,221.83

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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.