Home / 25,078.12-37,620.82-13,384.96

Finding the Fourth Proportional to 25,078.12, 37,620.82 and 13,384.96

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Solution

The fourth proportional to 25,078.12, 37,620.82 and 13,384.96 is: 20,079.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,078.12 : 37,620.82 = 13,384.96 : x
  2. Step 2: Convert to fraction form
    25,078.12/37,620.82 = 13,384.96/x
  3. Step 3: Cross multiply
    25,078.12x = 37,620.82 × 13,384.96
  4. Step 4: Simplify right side
    25,078.12x = 503,553,093.55
  5. Step 5: Solve for x
    x = 503,553,093.55/25,078.12
  6. Step 6: Final answer
    x = 20,079.38

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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.