Home / 18,342.44-25,312.60-9,958.94

Finding the Fourth Proportional to 18,342.44, 25,312.60 and 9,958.94

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Solution

The fourth proportional to 18,342.44, 25,312.60 and 9,958.94 is: 13,743.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342.44 : 25,312.60 = 9,958.94 : x
  2. Step 2: Convert to fraction form
    18,342.44/25,312.60 = 9,958.94/x
  3. Step 3: Cross multiply
    18,342.44x = 25,312.60 × 9,958.94
  4. Step 4: Simplify right side
    18,342.44x = 252,086,664.64
  5. Step 5: Solve for x
    x = 252,086,664.64/18,342.44
  6. Step 6: Final answer
    x = 13,743.36

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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.