Home / 19,501.10-29,194.22-12,081.70

Finding the Fourth Proportional to 19,501.10, 29,194.22 and 12,081.70

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Solution

The fourth proportional to 19,501.10, 29,194.22 and 12,081.70 is: 18,086.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,501.10 : 29,194.22 = 12,081.70 : x
  2. Step 2: Convert to fraction form
    19,501.10/29,194.22 = 12,081.70/x
  3. Step 3: Cross multiply
    19,501.10x = 29,194.22 × 12,081.70
  4. Step 4: Simplify right side
    19,501.10x = 352,715,661.80
  5. Step 5: Solve for x
    x = 352,715,661.80/19,501.10
  6. Step 6: Final answer
    x = 18,086.97

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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.