Home / 18,826.56-28,243.92-16,072.32

Finding the Fourth Proportional to 18,826.56, 28,243.92 and 16,072.32

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Solution

The fourth proportional to 18,826.56, 28,243.92 and 16,072.32 is: 24,111.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.56 : 28,243.92 = 16,072.32 : x
  2. Step 2: Convert to fraction form
    18,826.56/28,243.92 = 16,072.32/x
  3. Step 3: Cross multiply
    18,826.56x = 28,243.92 × 16,072.32
  4. Step 4: Simplify right side
    18,826.56x = 453,945,320.29
  5. Step 5: Solve for x
    x = 453,945,320.29/18,826.56
  6. Step 6: Final answer
    x = 24,111.96

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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.