Home / 16,133.13-22,212.23-13,765.77

Finding the Fourth Proportional to 16,133.13, 22,212.23 and 13,765.77

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Solution

The fourth proportional to 16,133.13, 22,212.23 and 13,765.77 is: 18,952.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,133.13 : 22,212.23 = 13,765.77 : x
  2. Step 2: Convert to fraction form
    16,133.13/22,212.23 = 13,765.77/x
  3. Step 3: Cross multiply
    16,133.13x = 22,212.23 × 13,765.77
  4. Step 4: Simplify right side
    16,133.13x = 305,768,380.54
  5. Step 5: Solve for x
    x = 305,768,380.54/16,133.13
  6. Step 6: Final answer
    x = 18,952.82

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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.