Home / 17,921.88-24,697.26-13,450.68

Finding the Fourth Proportional to 17,921.88, 24,697.26 and 13,450.68

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Solution

The fourth proportional to 17,921.88, 24,697.26 and 13,450.68 is: 18,535.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921.88 : 24,697.26 = 13,450.68 : x
  2. Step 2: Convert to fraction form
    17,921.88/24,697.26 = 13,450.68/x
  3. Step 3: Cross multiply
    17,921.88x = 24,697.26 × 13,450.68
  4. Step 4: Simplify right side
    17,921.88x = 332,194,941.14
  5. Step 5: Solve for x
    x = 332,194,941.14/17,921.88
  6. Step 6: Final answer
    x = 18,535.72

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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.