Home / 18,343.26-25,311.29-11,617.02

Finding the Fourth Proportional to 18,343.26, 25,311.29 and 11,617.02

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Solution

The fourth proportional to 18,343.26, 25,311.29 and 11,617.02 is: 16,029.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,343.26 : 25,311.29 = 11,617.02 : x
  2. Step 2: Convert to fraction form
    18,343.26/25,311.29 = 11,617.02/x
  3. Step 3: Cross multiply
    18,343.26x = 25,311.29 × 11,617.02
  4. Step 4: Simplify right side
    18,343.26x = 294,041,704.07
  5. Step 5: Solve for x
    x = 294,041,704.07/18,343.26
  6. Step 6: Final answer
    x = 16,029.96

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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.