Home / 19,213.68-28,796.22-10,306.92

Finding the Fourth Proportional to 19,213.68, 28,796.22 and 10,306.92

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Solution

The fourth proportional to 19,213.68, 28,796.22 and 10,306.92 is: 15,447.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,213.68 : 28,796.22 = 10,306.92 : x
  2. Step 2: Convert to fraction form
    19,213.68/28,796.22 = 10,306.92/x
  3. Step 3: Cross multiply
    19,213.68x = 28,796.22 × 10,306.92
  4. Step 4: Simplify right side
    19,213.68x = 296,800,335.84
  5. Step 5: Solve for x
    x = 296,800,335.84/19,213.68
  6. Step 6: Final answer
    x = 15,447.34

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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.