Home / 17,153.92-25,704.32-11,899.15

Finding the Fourth Proportional to 17,153.92, 25,704.32 and 11,899.15

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Solution

The fourth proportional to 17,153.92, 25,704.32 and 11,899.15 is: 17,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,153.92 : 25,704.32 = 11,899.15 : x
  2. Step 2: Convert to fraction form
    17,153.92/25,704.32 = 11,899.15/x
  3. Step 3: Cross multiply
    17,153.92x = 25,704.32 × 11,899.15
  4. Step 4: Simplify right side
    17,153.92x = 305,859,499.83
  5. Step 5: Solve for x
    x = 305,859,499.83/17,153.92
  6. Step 6: Final answer
    x = 17,830.30

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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.