Home / 19,351.41-26,693.60-12,169.92

Finding the Fourth Proportional to 19,351.41, 26,693.60 and 12,169.92

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Solution

The fourth proportional to 19,351.41, 26,693.60 and 12,169.92 is: 16,787.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.41 : 26,693.60 = 12,169.92 : x
  2. Step 2: Convert to fraction form
    19,351.41/26,693.60 = 12,169.92/x
  3. Step 3: Cross multiply
    19,351.41x = 26,693.60 × 12,169.92
  4. Step 4: Simplify right side
    19,351.41x = 324,858,915.66
  5. Step 5: Solve for x
    x = 324,858,915.66/19,351.41
  6. Step 6: Final answer
    x = 16,787.36

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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.