Home / 17,173.91-25,717.11-11,312.75

Finding the Fourth Proportional to 17,173.91, 25,717.11 and 11,312.75

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Solution

The fourth proportional to 17,173.91, 25,717.11 and 11,312.75 is: 16,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,173.91 : 25,717.11 = 11,312.75 : x
  2. Step 2: Convert to fraction form
    17,173.91/25,717.11 = 11,312.75/x
  3. Step 3: Cross multiply
    17,173.91x = 25,717.11 × 11,312.75
  4. Step 4: Simplify right side
    17,173.91x = 290,931,107.57
  5. Step 5: Solve for x
    x = 290,931,107.57/17,173.91
  6. Step 6: Final answer
    x = 16,940.30

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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.