Home / 18,863.85-26,028.22-11,308.17

Finding the Fourth Proportional to 18,863.85, 26,028.22 and 11,308.17

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Solution

The fourth proportional to 18,863.85, 26,028.22 and 11,308.17 is: 15,602.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,863.85 : 26,028.22 = 11,308.17 : x
  2. Step 2: Convert to fraction form
    18,863.85/26,028.22 = 11,308.17/x
  3. Step 3: Cross multiply
    18,863.85x = 26,028.22 × 11,308.17
  4. Step 4: Simplify right side
    18,863.85x = 294,331,536.56
  5. Step 5: Solve for x
    x = 294,331,536.56/18,863.85
  6. Step 6: Final answer
    x = 15,602.94

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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.