Home / 18,735.41-25,854.87-10,351.91

Finding the Fourth Proportional to 18,735.41, 25,854.87 and 10,351.91

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Solution

The fourth proportional to 18,735.41, 25,854.87 and 10,351.91 is: 14,285.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735.41 : 25,854.87 = 10,351.91 : x
  2. Step 2: Convert to fraction form
    18,735.41/25,854.87 = 10,351.91/x
  3. Step 3: Cross multiply
    18,735.41x = 25,854.87 × 10,351.91
  4. Step 4: Simplify right side
    18,735.41x = 267,647,287.30
  5. Step 5: Solve for x
    x = 267,647,287.30/18,735.41
  6. Step 6: Final answer
    x = 14,285.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.