Home / 29,966.60-41,346.52-18,321.88

Finding the Fourth Proportional to 29,966.60, 41,346.52 and 18,321.88

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Solution

The fourth proportional to 29,966.60, 41,346.52 and 18,321.88 is: 25,279.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,966.60 : 41,346.52 = 18,321.88 : x
  2. Step 2: Convert to fraction form
    29,966.60/41,346.52 = 18,321.88/x
  3. Step 3: Cross multiply
    29,966.60x = 41,346.52 × 18,321.88
  4. Step 4: Simplify right side
    29,966.60x = 757,545,977.86
  5. Step 5: Solve for x
    x = 757,545,977.86/29,966.60
  6. Step 6: Final answer
    x = 25,279.68

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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.