Home / 25,119.70-37,685.76-17,738.62

Finding the Fourth Proportional to 25,119.70, 37,685.76 and 17,738.62

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Solution

The fourth proportional to 25,119.70, 37,685.76 and 17,738.62 is: 26,612.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,119.70 : 37,685.76 = 17,738.62 : x
  2. Step 2: Convert to fraction form
    25,119.70/37,685.76 = 17,738.62/x
  3. Step 3: Cross multiply
    25,119.70x = 37,685.76 × 17,738.62
  4. Step 4: Simplify right side
    25,119.70x = 668,493,376.05
  5. Step 5: Solve for x
    x = 668,493,376.05/25,119.70
  6. Step 6: Final answer
    x = 26,612.32

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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.