Home / 16,966.55-25,453.63-5,120.54

Finding the Fourth Proportional to 16,966.55, 25,453.63 and 5,120.54

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Solution

The fourth proportional to 16,966.55, 25,453.63 and 5,120.54 is: 7,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,966.55 : 25,453.63 = 5,120.54 : x
  2. Step 2: Convert to fraction form
    16,966.55/25,453.63 = 5,120.54/x
  3. Step 3: Cross multiply
    16,966.55x = 25,453.63 × 5,120.54
  4. Step 4: Simplify right side
    16,966.55x = 130,336,190.49
  5. Step 5: Solve for x
    x = 130,336,190.49/16,966.55
  6. Step 6: Final answer
    x = 7,681.95

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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.