Home / 12,480.06-17,301.34-11,814.24

Finding the Fourth Proportional to 12,480.06, 17,301.34 and 11,814.24

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Solution

The fourth proportional to 12,480.06, 17,301.34 and 11,814.24 is: 16,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,480.06 : 17,301.34 = 11,814.24 : x
  2. Step 2: Convert to fraction form
    12,480.06/17,301.34 = 11,814.24/x
  3. Step 3: Cross multiply
    12,480.06x = 17,301.34 × 11,814.24
  4. Step 4: Simplify right side
    12,480.06x = 204,402,183.08
  5. Step 5: Solve for x
    x = 204,402,183.08/12,480.06
  6. Step 6: Final answer
    x = 16,378.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.