Home / 17,120.37-25,678.52-4,639.62

Finding the Fourth Proportional to 17,120.37, 25,678.52 and 4,639.62

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Solution

The fourth proportional to 17,120.37, 25,678.52 and 4,639.62 is: 6,958.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,120.37 : 25,678.52 = 4,639.62 : x
  2. Step 2: Convert to fraction form
    17,120.37/25,678.52 = 4,639.62/x
  3. Step 3: Cross multiply
    17,120.37x = 25,678.52 × 4,639.62
  4. Step 4: Simplify right side
    17,120.37x = 119,138,551.76
  5. Step 5: Solve for x
    x = 119,138,551.76/17,120.37
  6. Step 6: Final answer
    x = 6,958.88

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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.