Home / 18,023.45-27,016.02-10,631.39

Finding the Fourth Proportional to 18,023.45, 27,016.02 and 10,631.39

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Solution

The fourth proportional to 18,023.45, 27,016.02 and 10,631.39 is: 15,935.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,023.45 : 27,016.02 = 10,631.39 : x
  2. Step 2: Convert to fraction form
    18,023.45/27,016.02 = 10,631.39/x
  3. Step 3: Cross multiply
    18,023.45x = 27,016.02 × 10,631.39
  4. Step 4: Simplify right side
    18,023.45x = 287,217,709.79
  5. Step 5: Solve for x
    x = 287,217,709.79/18,023.45
  6. Step 6: Final answer
    x = 15,935.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.