Home / 18,857.35-26,022.30-11,307.85

Finding the Fourth Proportional to 18,857.35, 26,022.30 and 11,307.85

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Solution

The fourth proportional to 18,857.35, 26,022.30 and 11,307.85 is: 15,604.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,857.35 : 26,022.30 = 11,307.85 : x
  2. Step 2: Convert to fraction form
    18,857.35/26,022.30 = 11,307.85/x
  3. Step 3: Cross multiply
    18,857.35x = 26,022.30 × 11,307.85
  4. Step 4: Simplify right side
    18,857.35x = 294,256,265.06
  5. Step 5: Solve for x
    x = 294,256,265.06/18,857.35
  6. Step 6: Final answer
    x = 15,604.33

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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.