Home / 17,181.68-23,722.14-13,195.67

Finding the Fourth Proportional to 17,181.68, 23,722.14 and 13,195.67

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Solution

The fourth proportional to 17,181.68, 23,722.14 and 13,195.67 is: 18,218.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,181.68 : 23,722.14 = 13,195.67 : x
  2. Step 2: Convert to fraction form
    17,181.68/23,722.14 = 13,195.67/x
  3. Step 3: Cross multiply
    17,181.68x = 23,722.14 × 13,195.67
  4. Step 4: Simplify right side
    17,181.68x = 313,029,412.52
  5. Step 5: Solve for x
    x = 313,029,412.52/17,181.68
  6. Step 6: Final answer
    x = 18,218.79

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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.