Home / 16,203.79-22,371.55-13,226.70

Finding the Fourth Proportional to 16,203.79, 22,371.55 and 13,226.70

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Solution

The fourth proportional to 16,203.79, 22,371.55 and 13,226.70 is: 18,261.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,203.79 : 22,371.55 = 13,226.70 : x
  2. Step 2: Convert to fraction form
    16,203.79/22,371.55 = 13,226.70/x
  3. Step 3: Cross multiply
    16,203.79x = 22,371.55 × 13,226.70
  4. Step 4: Simplify right side
    16,203.79x = 295,901,780.39
  5. Step 5: Solve for x
    x = 295,901,780.39/16,203.79
  6. Step 6: Final answer
    x = 18,261.27

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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.