Home / 29,863.72-41,194.79-18,666.28

Finding the Fourth Proportional to 29,863.72, 41,194.79 and 18,666.28

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Solution

The fourth proportional to 29,863.72, 41,194.79 and 18,666.28 is: 25,748.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,863.72 : 41,194.79 = 18,666.28 : x
  2. Step 2: Convert to fraction form
    29,863.72/41,194.79 = 18,666.28/x
  3. Step 3: Cross multiply
    29,863.72x = 41,194.79 × 18,666.28
  4. Step 4: Simplify right side
    29,863.72x = 768,953,617.84
  5. Step 5: Solve for x
    x = 768,953,617.84/29,863.72
  6. Step 6: Final answer
    x = 25,748.75

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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.