Home / 25,170.14-37,755.30-7,639.94

Finding the Fourth Proportional to 25,170.14, 37,755.30 and 7,639.94

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Solution

The fourth proportional to 25,170.14, 37,755.30 and 7,639.94 is: 11,459.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,170.14 : 37,755.30 = 7,639.94 : x
  2. Step 2: Convert to fraction form
    25,170.14/37,755.30 = 7,639.94/x
  3. Step 3: Cross multiply
    25,170.14x = 37,755.30 × 7,639.94
  4. Step 4: Simplify right side
    25,170.14x = 288,448,226.68
  5. Step 5: Solve for x
    x = 288,448,226.68/25,170.14
  6. Step 6: Final answer
    x = 11,459.94

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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.