Home / 16,918.80-25,379.40-5,232.96

Finding the Fourth Proportional to 16,918.80, 25,379.40 and 5,232.96

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Solution

The fourth proportional to 16,918.80, 25,379.40 and 5,232.96 is: 7,849.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,918.80 : 25,379.40 = 5,232.96 : x
  2. Step 2: Convert to fraction form
    16,918.80/25,379.40 = 5,232.96/x
  3. Step 3: Cross multiply
    16,918.80x = 25,379.40 × 5,232.96
  4. Step 4: Simplify right side
    16,918.80x = 132,809,385.02
  5. Step 5: Solve for x
    x = 132,809,385.02/16,918.80
  6. Step 6: Final answer
    x = 7,849.81

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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.