Home / 13,514.97-20,272.61-10,611.72

Finding the Fourth Proportional to 13,514.97, 20,272.61 and 10,611.72

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Solution

The fourth proportional to 13,514.97, 20,272.61 and 10,611.72 is: 15,917.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514.97 : 20,272.61 = 10,611.72 : x
  2. Step 2: Convert to fraction form
    13,514.97/20,272.61 = 10,611.72/x
  3. Step 3: Cross multiply
    13,514.97x = 20,272.61 × 10,611.72
  4. Step 4: Simplify right side
    13,514.97x = 215,127,207.93
  5. Step 5: Solve for x
    x = 215,127,207.93/13,514.97
  6. Step 6: Final answer
    x = 15,917.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.