Home / 25,146.99-37,728.68-11,997.66

Finding the Fourth Proportional to 25,146.99, 37,728.68 and 11,997.66

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Solution

The fourth proportional to 25,146.99, 37,728.68 and 11,997.66 is: 18,000.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,146.99 : 37,728.68 = 11,997.66 : x
  2. Step 2: Convert to fraction form
    25,146.99/37,728.68 = 11,997.66/x
  3. Step 3: Cross multiply
    25,146.99x = 37,728.68 × 11,997.66
  4. Step 4: Simplify right side
    25,146.99x = 452,655,874.89
  5. Step 5: Solve for x
    x = 452,655,874.89/25,146.99
  6. Step 6: Final answer
    x = 18,000.40

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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.