Home / 16,638.40-22,933.65-11,794.78

Finding the Fourth Proportional to 16,638.40, 22,933.65 and 11,794.78

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Solution

The fourth proportional to 16,638.40, 22,933.65 and 11,794.78 is: 16,257.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,638.40 : 22,933.65 = 11,794.78 : x
  2. Step 2: Convert to fraction form
    16,638.40/22,933.65 = 11,794.78/x
  3. Step 3: Cross multiply
    16,638.40x = 22,933.65 × 11,794.78
  4. Step 4: Simplify right side
    16,638.40x = 270,497,356.35
  5. Step 5: Solve for x
    x = 270,497,356.35/16,638.40
  6. Step 6: Final answer
    x = 16,257.41

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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.