Home / 20,227.30-27,926.64-13,060.42

Finding the Fourth Proportional to 20,227.30, 27,926.64 and 13,060.42

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Solution

The fourth proportional to 20,227.30, 27,926.64 and 13,060.42 is: 18,031.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227.30 : 27,926.64 = 13,060.42 : x
  2. Step 2: Convert to fraction form
    20,227.30/27,926.64 = 13,060.42/x
  3. Step 3: Cross multiply
    20,227.30x = 27,926.64 × 13,060.42
  4. Step 4: Simplify right side
    20,227.30x = 364,733,661.66
  5. Step 5: Solve for x
    x = 364,733,661.66/20,227.30
  6. Step 6: Final answer
    x = 18,031.75

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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.