Home / 29,887.06-41,226.92-18,689.62

Finding the Fourth Proportional to 29,887.06, 41,226.92 and 18,689.62

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Solution

The fourth proportional to 29,887.06, 41,226.92 and 18,689.62 is: 25,780.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,887.06 : 41,226.92 = 18,689.62 : x
  2. Step 2: Convert to fraction form
    29,887.06/41,226.92 = 18,689.62/x
  3. Step 3: Cross multiply
    29,887.06x = 41,226.92 × 18,689.62
  4. Step 4: Simplify right side
    29,887.06x = 770,515,468.57
  5. Step 5: Solve for x
    x = 770,515,468.57/29,887.06
  6. Step 6: Final answer
    x = 25,780.91

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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.