Home / 25,129.34-37,620.20-19,827.23

Finding the Fourth Proportional to 25,129.34, 37,620.20 and 19,827.23

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Solution

The fourth proportional to 25,129.34, 37,620.20 and 19,827.23 is: 29,682.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,129.34 : 37,620.20 = 19,827.23 : x
  2. Step 2: Convert to fraction form
    25,129.34/37,620.20 = 19,827.23/x
  3. Step 3: Cross multiply
    25,129.34x = 37,620.20 × 19,827.23
  4. Step 4: Simplify right side
    25,129.34x = 745,904,319.60
  5. Step 5: Solve for x
    x = 745,904,319.60/25,129.34
  6. Step 6: Final answer
    x = 29,682.61

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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.