Home / 18,594.10-27,872.31-11,163.76

Finding the Fourth Proportional to 18,594.10, 27,872.31 and 11,163.76

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Solution

The fourth proportional to 18,594.10, 27,872.31 and 11,163.76 is: 16,734.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,594.10 : 27,872.31 = 11,163.76 : x
  2. Step 2: Convert to fraction form
    18,594.10/27,872.31 = 11,163.76/x
  3. Step 3: Cross multiply
    18,594.10x = 27,872.31 × 11,163.76
  4. Step 4: Simplify right side
    18,594.10x = 311,159,779.49
  5. Step 5: Solve for x
    x = 311,159,779.49/18,594.10
  6. Step 6: Final answer
    x = 16,734.33

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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.