Home / 18,866.05-26,037.20-11,694.05

Finding the Fourth Proportional to 18,866.05, 26,037.20 and 11,694.05

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Solution

The fourth proportional to 18,866.05, 26,037.20 and 11,694.05 is: 16,139.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866.05 : 26,037.20 = 11,694.05 : x
  2. Step 2: Convert to fraction form
    18,866.05/26,037.20 = 11,694.05/x
  3. Step 3: Cross multiply
    18,866.05x = 26,037.20 × 11,694.05
  4. Step 4: Simplify right side
    18,866.05x = 304,480,318.66
  5. Step 5: Solve for x
    x = 304,480,318.66/18,866.05
  6. Step 6: Final answer
    x = 16,139.06

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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.