Home / 17,031.12-25,553.40-11,186.64

Finding the Fourth Proportional to 17,031.12, 25,553.40 and 11,186.64

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Solution

The fourth proportional to 17,031.12, 25,553.40 and 11,186.64 is: 16,784.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,031.12 : 25,553.40 = 11,186.64 : x
  2. Step 2: Convert to fraction form
    17,031.12/25,553.40 = 11,186.64/x
  3. Step 3: Cross multiply
    17,031.12x = 25,553.40 × 11,186.64
  4. Step 4: Simplify right side
    17,031.12x = 285,856,686.58
  5. Step 5: Solve for x
    x = 285,856,686.58/17,031.12
  6. Step 6: Final answer
    x = 16,784.37

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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.