Home / 25,558.54-38,336.88-12,407.38

Finding the Fourth Proportional to 25,558.54, 38,336.88 and 12,407.38

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Solution

The fourth proportional to 25,558.54, 38,336.88 and 12,407.38 is: 18,610.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,558.54 : 38,336.88 = 12,407.38 : x
  2. Step 2: Convert to fraction form
    25,558.54/38,336.88 = 12,407.38/x
  3. Step 3: Cross multiply
    25,558.54x = 38,336.88 × 12,407.38
  4. Step 4: Simplify right side
    25,558.54x = 475,660,238.17
  5. Step 5: Solve for x
    x = 475,660,238.17/25,558.54
  6. Step 6: Final answer
    x = 18,610.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.