Home / 18,239.14-25,174.80-11,883.18

Finding the Fourth Proportional to 18,239.14, 25,174.80 and 11,883.18

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Solution

The fourth proportional to 18,239.14, 25,174.80 and 11,883.18 is: 16,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.14 : 25,174.80 = 11,883.18 : x
  2. Step 2: Convert to fraction form
    18,239.14/25,174.80 = 11,883.18/x
  3. Step 3: Cross multiply
    18,239.14x = 25,174.80 × 11,883.18
  4. Step 4: Simplify right side
    18,239.14x = 299,156,494.57
  5. Step 5: Solve for x
    x = 299,156,494.57/18,239.14
  6. Step 6: Final answer
    x = 16,401.90

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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.