Home / 20,098.68-27,739.47-19,212.84

Finding the Fourth Proportional to 20,098.68, 27,739.47 and 19,212.84

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Solution

The fourth proportional to 20,098.68, 27,739.47 and 19,212.84 is: 26,516.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,098.68 : 27,739.47 = 19,212.84 : x
  2. Step 2: Convert to fraction form
    20,098.68/27,739.47 = 19,212.84/x
  3. Step 3: Cross multiply
    20,098.68x = 27,739.47 × 19,212.84
  4. Step 4: Simplify right side
    20,098.68x = 532,953,998.79
  5. Step 5: Solve for x
    x = 532,953,998.79/20,098.68
  6. Step 6: Final answer
    x = 26,516.87

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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.