Home / 25,149.72-34,709.62-15,083.68

Finding the Fourth Proportional to 25,149.72, 34,709.62 and 15,083.68

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Solution

The fourth proportional to 25,149.72, 34,709.62 and 15,083.68 is: 20,817.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,149.72 : 34,709.62 = 15,083.68 : x
  2. Step 2: Convert to fraction form
    25,149.72/34,709.62 = 15,083.68/x
  3. Step 3: Cross multiply
    25,149.72x = 34,709.62 × 15,083.68
  4. Step 4: Simplify right side
    25,149.72x = 523,548,801.00
  5. Step 5: Solve for x
    x = 523,548,801.00/25,149.72
  6. Step 6: Final answer
    x = 20,817.28

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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.