Home / 25,139.38-37,651.64-12,000.98

Finding the Fourth Proportional to 25,139.38, 37,651.64 and 12,000.98

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Solution

The fourth proportional to 25,139.38, 37,651.64 and 12,000.98 is: 17,974.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,139.38 : 37,651.64 = 12,000.98 : x
  2. Step 2: Convert to fraction form
    25,139.38/37,651.64 = 12,000.98/x
  3. Step 3: Cross multiply
    25,139.38x = 37,651.64 × 12,000.98
  4. Step 4: Simplify right side
    25,139.38x = 451,856,578.61
  5. Step 5: Solve for x
    x = 451,856,578.61/25,139.38
  6. Step 6: Final answer
    x = 17,974.05

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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.