Home / 19,832.09-29,755.92-8,730.99

Finding the Fourth Proportional to 19,832.09, 29,755.92 and 8,730.99

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Solution

The fourth proportional to 19,832.09, 29,755.92 and 8,730.99 is: 13,099.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,832.09 : 29,755.92 = 8,730.99 : x
  2. Step 2: Convert to fraction form
    19,832.09/29,755.92 = 8,730.99/x
  3. Step 3: Cross multiply
    19,832.09x = 29,755.92 × 8,730.99
  4. Step 4: Simplify right side
    19,832.09x = 259,798,639.96
  5. Step 5: Solve for x
    x = 259,798,639.96/19,832.09
  6. Step 6: Final answer
    x = 13,099.92

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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.