Home / 17,181.11-25,722.45-10,562.70

Finding the Fourth Proportional to 17,181.11, 25,722.45 and 10,562.70

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Solution

The fourth proportional to 17,181.11, 25,722.45 and 10,562.70 is: 15,813.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,181.11 : 25,722.45 = 10,562.70 : x
  2. Step 2: Convert to fraction form
    17,181.11/25,722.45 = 10,562.70/x
  3. Step 3: Cross multiply
    17,181.11x = 25,722.45 × 10,562.70
  4. Step 4: Simplify right side
    17,181.11x = 271,698,474.87
  5. Step 5: Solve for x
    x = 271,698,474.87/17,181.11
  6. Step 6: Final answer
    x = 15,813.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.