Home / 25,138.92-37,708.36-6,418.96

Finding the Fourth Proportional to 25,138.92, 37,708.36 and 6,418.96

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Solution

The fourth proportional to 25,138.92, 37,708.36 and 6,418.96 is: 9,628.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,138.92 : 37,708.36 = 6,418.96 : x
  2. Step 2: Convert to fraction form
    25,138.92/37,708.36 = 6,418.96/x
  3. Step 3: Cross multiply
    25,138.92x = 37,708.36 × 6,418.96
  4. Step 4: Simplify right side
    25,138.92x = 242,048,508.35
  5. Step 5: Solve for x
    x = 242,048,508.35/25,138.92
  6. Step 6: Final answer
    x = 9,628.44

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1.5x scale

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.