Home / 25,128.96-37,650.24-19,580.16

Finding the Fourth Proportional to 25,128.96, 37,650.24 and 19,580.16

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Solution

The fourth proportional to 25,128.96, 37,650.24 and 19,580.16 is: 29,336.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,128.96 : 37,650.24 = 19,580.16 : x
  2. Step 2: Convert to fraction form
    25,128.96/37,650.24 = 19,580.16/x
  3. Step 3: Cross multiply
    25,128.96x = 37,650.24 × 19,580.16
  4. Step 4: Simplify right side
    25,128.96x = 737,197,723.24
  5. Step 5: Solve for x
    x = 737,197,723.24/25,128.96
  6. Step 6: Final answer
    x = 29,336.58

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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.