Home / 19,811.28-27,323.82-16,836.96

Finding the Fourth Proportional to 19,811.28, 27,323.82 and 16,836.96

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Solution

The fourth proportional to 19,811.28, 27,323.82 and 16,836.96 is: 23,221.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,811.28 : 27,323.82 = 16,836.96 : x
  2. Step 2: Convert to fraction form
    19,811.28/27,323.82 = 16,836.96/x
  3. Step 3: Cross multiply
    19,811.28x = 27,323.82 × 16,836.96
  4. Step 4: Simplify right side
    19,811.28x = 460,050,064.39
  5. Step 5: Solve for x
    x = 460,050,064.39/19,811.28
  6. Step 6: Final answer
    x = 23,221.62

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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.