Home / 16,961.22-23,379.50-13,370.36

Finding the Fourth Proportional to 16,961.22, 23,379.50 and 13,370.36

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Solution

The fourth proportional to 16,961.22, 23,379.50 and 13,370.36 is: 18,429.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,961.22 : 23,379.50 = 13,370.36 : x
  2. Step 2: Convert to fraction form
    16,961.22/23,379.50 = 13,370.36/x
  3. Step 3: Cross multiply
    16,961.22x = 23,379.50 × 13,370.36
  4. Step 4: Simplify right side
    16,961.22x = 312,592,147.87
  5. Step 5: Solve for x
    x = 312,592,147.87/16,961.22
  6. Step 6: Final answer
    x = 18,429.82

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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.