Home / 18,311.88-25,273.09-11,598.13

Finding the Fourth Proportional to 18,311.88, 25,273.09 and 11,598.13

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Solution

The fourth proportional to 18,311.88, 25,273.09 and 11,598.13 is: 16,007.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.88 : 25,273.09 = 11,598.13 : x
  2. Step 2: Convert to fraction form
    18,311.88/25,273.09 = 11,598.13/x
  3. Step 3: Cross multiply
    18,311.88x = 25,273.09 × 11,598.13
  4. Step 4: Simplify right side
    18,311.88x = 293,120,583.32
  5. Step 5: Solve for x
    x = 293,120,583.32/18,311.88
  6. Step 6: Final answer
    x = 16,007.13

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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.