Home / 34,670.97-51,997.55-13,611.78

Finding the Fourth Proportional to 34,670.97, 51,997.55 and 13,611.78

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Solution

The fourth proportional to 34,670.97, 51,997.55 and 13,611.78 is: 20,414.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,670.97 : 51,997.55 = 13,611.78 : x
  2. Step 2: Convert to fraction form
    34,670.97/51,997.55 = 13,611.78/x
  3. Step 3: Cross multiply
    34,670.97x = 51,997.55 × 13,611.78
  4. Step 4: Simplify right side
    34,670.97x = 707,779,143.08
  5. Step 5: Solve for x
    x = 707,779,143.08/34,670.97
  6. Step 6: Final answer
    x = 20,414.17

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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.