Home / 18,004.58-24,876.77-12,958.82

Finding the Fourth Proportional to 18,004.58, 24,876.77 and 12,958.82

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Solution

The fourth proportional to 18,004.58, 24,876.77 and 12,958.82 is: 17,905.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,004.58 : 24,876.77 = 12,958.82 : x
  2. Step 2: Convert to fraction form
    18,004.58/24,876.77 = 12,958.82/x
  3. Step 3: Cross multiply
    18,004.58x = 24,876.77 × 12,958.82
  4. Step 4: Simplify right side
    18,004.58x = 322,373,584.61
  5. Step 5: Solve for x
    x = 322,373,584.61/18,004.58
  6. Step 6: Final answer
    x = 17,905.09

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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.