Home / 19,742.10-27,226.46-16,379.58

Finding the Fourth Proportional to 19,742.10, 27,226.46 and 16,379.58

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Solution

The fourth proportional to 19,742.10, 27,226.46 and 16,379.58 is: 22,589.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,742.10 : 27,226.46 = 16,379.58 : x
  2. Step 2: Convert to fraction form
    19,742.10/27,226.46 = 16,379.58/x
  3. Step 3: Cross multiply
    19,742.10x = 27,226.46 × 16,379.58
  4. Step 4: Simplify right side
    19,742.10x = 445,957,965.86
  5. Step 5: Solve for x
    x = 445,957,965.86/19,742.10
  6. Step 6: Final answer
    x = 22,589.19

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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.