Home / 19,701.27-27,165.68-16,105.05

Finding the Fourth Proportional to 19,701.27, 27,165.68 and 16,105.05

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Solution

The fourth proportional to 19,701.27, 27,165.68 and 16,105.05 is: 22,206.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.27 : 27,165.68 = 16,105.05 : x
  2. Step 2: Convert to fraction form
    19,701.27/27,165.68 = 16,105.05/x
  3. Step 3: Cross multiply
    19,701.27x = 27,165.68 × 16,105.05
  4. Step 4: Simplify right side
    19,701.27x = 437,504,554.16
  5. Step 5: Solve for x
    x = 437,504,554.16/19,701.27
  6. Step 6: Final answer
    x = 22,206.92

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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.