Home / 16,270.70-22,455.14-10,221.92

Finding the Fourth Proportional to 16,270.70, 22,455.14 and 10,221.92

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Solution

The fourth proportional to 16,270.70, 22,455.14 and 10,221.92 is: 14,107.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,270.70 : 22,455.14 = 10,221.92 : x
  2. Step 2: Convert to fraction form
    16,270.70/22,455.14 = 10,221.92/x
  3. Step 3: Cross multiply
    16,270.70x = 22,455.14 × 10,221.92
  4. Step 4: Simplify right side
    16,270.70x = 229,534,481.28
  5. Step 5: Solve for x
    x = 229,534,481.28/16,270.70
  6. Step 6: Final answer
    x = 14,107.23

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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.