Home / 25,153.27-37,723.15-11,979.43

Finding the Fourth Proportional to 25,153.27, 37,723.15 and 11,979.43

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Solution

The fourth proportional to 25,153.27, 37,723.15 and 11,979.43 is: 17,965.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,153.27 : 37,723.15 = 11,979.43 : x
  2. Step 2: Convert to fraction form
    25,153.27/37,723.15 = 11,979.43/x
  3. Step 3: Cross multiply
    25,153.27x = 37,723.15 × 11,979.43
  4. Step 4: Simplify right side
    25,153.27x = 451,901,740.50
  5. Step 5: Solve for x
    x = 451,901,740.50/25,153.27
  6. Step 6: Final answer
    x = 17,965.93

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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.