Home / 19,701.80-29,558.19-10,942.86

Finding the Fourth Proportional to 19,701.80, 29,558.19 and 10,942.86

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Solution

The fourth proportional to 19,701.80, 29,558.19 and 10,942.86 is: 16,417.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.80 : 29,558.19 = 10,942.86 : x
  2. Step 2: Convert to fraction form
    19,701.80/29,558.19 = 10,942.86/x
  3. Step 3: Cross multiply
    19,701.80x = 29,558.19 × 10,942.86
  4. Step 4: Simplify right side
    19,701.80x = 323,451,135.02
  5. Step 5: Solve for x
    x = 323,451,135.02/19,701.80
  6. Step 6: Final answer
    x = 16,417.34

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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.