Home / 25,078.68-34,609.74-13,900.92

Finding the Fourth Proportional to 25,078.68, 34,609.74 and 13,900.92

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Solution

The fourth proportional to 25,078.68, 34,609.74 and 13,900.92 is: 19,183.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,078.68 : 34,609.74 = 13,900.92 : x
  2. Step 2: Convert to fraction form
    25,078.68/34,609.74 = 13,900.92/x
  3. Step 3: Cross multiply
    25,078.68x = 34,609.74 × 13,900.92
  4. Step 4: Simplify right side
    25,078.68x = 481,107,226.96
  5. Step 5: Solve for x
    x = 481,107,226.96/25,078.68
  6. Step 6: Final answer
    x = 19,183.91

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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.