Home / 19,808.28-27,319.68-16,833.96

Finding the Fourth Proportional to 19,808.28, 27,319.68 and 16,833.96

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Solution

The fourth proportional to 19,808.28, 27,319.68 and 16,833.96 is: 23,217.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,808.28 : 27,319.68 = 16,833.96 : x
  2. Step 2: Convert to fraction form
    19,808.28/27,319.68 = 16,833.96/x
  3. Step 3: Cross multiply
    19,808.28x = 27,319.68 × 16,833.96
  4. Step 4: Simplify right side
    19,808.28x = 459,898,400.33
  5. Step 5: Solve for x
    x = 459,898,400.33/19,808.28
  6. Step 6: Final answer
    x = 23,217.48

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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.