Home / 19,635.65-27,093.53-11,679.83

Finding the Fourth Proportional to 19,635.65, 27,093.53 and 11,679.83

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Solution

The fourth proportional to 19,635.65, 27,093.53 and 11,679.83 is: 16,115.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,635.65 : 27,093.53 = 11,679.83 : x
  2. Step 2: Convert to fraction form
    19,635.65/27,093.53 = 11,679.83/x
  3. Step 3: Cross multiply
    19,635.65x = 27,093.53 × 11,679.83
  4. Step 4: Simplify right side
    19,635.65x = 316,447,766.10
  5. Step 5: Solve for x
    x = 316,447,766.10/19,635.65
  6. Step 6: Final answer
    x = 16,115.98

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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.