Home / 28,093.77-42,160.68-13,305.96

Finding the Fourth Proportional to 28,093.77, 42,160.68 and 13,305.96

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Solution

The fourth proportional to 28,093.77, 42,160.68 and 13,305.96 is: 19,968.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,093.77 : 42,160.68 = 13,305.96 : x
  2. Step 2: Convert to fraction form
    28,093.77/42,160.68 = 13,305.96/x
  3. Step 3: Cross multiply
    28,093.77x = 42,160.68 × 13,305.96
  4. Step 4: Simplify right side
    28,093.77x = 560,988,321.65
  5. Step 5: Solve for x
    x = 560,988,321.65/28,093.77
  6. Step 6: Final answer
    x = 19,968.42

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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.