Home / 17,181.74-23,711.38-16,394.42

Finding the Fourth Proportional to 17,181.74, 23,711.38 and 16,394.42

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Solution

The fourth proportional to 17,181.74, 23,711.38 and 16,394.42 is: 22,624.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,181.74 : 23,711.38 = 16,394.42 : x
  2. Step 2: Convert to fraction form
    17,181.74/23,711.38 = 16,394.42/x
  3. Step 3: Cross multiply
    17,181.74x = 23,711.38 × 16,394.42
  4. Step 4: Simplify right side
    17,181.74x = 388,734,322.50
  5. Step 5: Solve for x
    x = 388,734,322.50/17,181.74
  6. Step 6: Final answer
    x = 22,624.85

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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.