Home / 18,732.70-28,016.43-16,667.20

Finding the Fourth Proportional to 18,732.70, 28,016.43 and 16,667.20

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Solution

The fourth proportional to 18,732.70, 28,016.43 and 16,667.20 is: 24,927.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,732.70 : 28,016.43 = 16,667.20 : x
  2. Step 2: Convert to fraction form
    18,732.70/28,016.43 = 16,667.20/x
  3. Step 3: Cross multiply
    18,732.70x = 28,016.43 × 16,667.20
  4. Step 4: Simplify right side
    18,732.70x = 466,955,442.10
  5. Step 5: Solve for x
    x = 466,955,442.10/18,732.70
  6. Step 6: Final answer
    x = 24,927.29

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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.