Home / 17,782.72-26,690.12-9,469.68

Finding the Fourth Proportional to 17,782.72, 26,690.12 and 9,469.68

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Solution

The fourth proportional to 17,782.72, 26,690.12 and 9,469.68 is: 14,213.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,782.72 : 26,690.12 = 9,469.68 : x
  2. Step 2: Convert to fraction form
    17,782.72/26,690.12 = 9,469.68/x
  3. Step 3: Cross multiply
    17,782.72x = 26,690.12 × 9,469.68
  4. Step 4: Simplify right side
    17,782.72x = 252,746,895.56
  5. Step 5: Solve for x
    x = 252,746,895.56/17,782.72
  6. Step 6: Final answer
    x = 14,213.06

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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.