Home / 19,813.61-27,318.87-17,119.96

Finding the Fourth Proportional to 19,813.61, 27,318.87 and 17,119.96

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Solution

The fourth proportional to 19,813.61, 27,318.87 and 17,119.96 is: 23,604.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813.61 : 27,318.87 = 17,119.96 : x
  2. Step 2: Convert to fraction form
    19,813.61/27,318.87 = 17,119.96/x
  3. Step 3: Cross multiply
    19,813.61x = 27,318.87 × 17,119.96
  4. Step 4: Simplify right side
    19,813.61x = 467,697,893.35
  5. Step 5: Solve for x
    x = 467,697,893.35/19,813.61
  6. Step 6: Final answer
    x = 23,604.88

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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.