Home / 19,190.12-28,747.04-15,010.58

Finding the Fourth Proportional to 19,190.12, 28,747.04 and 15,010.58

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Solution

The fourth proportional to 19,190.12, 28,747.04 and 15,010.58 is: 22,486.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190.12 : 28,747.04 = 15,010.58 : x
  2. Step 2: Convert to fraction form
    19,190.12/28,747.04 = 15,010.58/x
  3. Step 3: Cross multiply
    19,190.12x = 28,747.04 × 15,010.58
  4. Step 4: Simplify right side
    19,190.12x = 431,509,743.68
  5. Step 5: Solve for x
    x = 431,509,743.68/19,190.12
  6. Step 6: Final answer
    x = 22,486.04

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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.