Home / 20,097.72-30,126.33-14,537.48

Finding the Fourth Proportional to 20,097.72, 30,126.33 and 14,537.48

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Solution

The fourth proportional to 20,097.72, 30,126.33 and 14,537.48 is: 21,791.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,097.72 : 30,126.33 = 14,537.48 : x
  2. Step 2: Convert to fraction form
    20,097.72/30,126.33 = 14,537.48/x
  3. Step 3: Cross multiply
    20,097.72x = 30,126.33 × 14,537.48
  4. Step 4: Simplify right side
    20,097.72x = 437,960,769.22
  5. Step 5: Solve for x
    x = 437,960,769.22/20,097.72
  6. Step 6: Final answer
    x = 21,791.56

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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.