Home / 22,634.13-31,238.85-13,202.69

Finding the Fourth Proportional to 22,634.13, 31,238.85 and 13,202.69

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Solution

The fourth proportional to 22,634.13, 31,238.85 and 13,202.69 is: 18,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,634.13 : 31,238.85 = 13,202.69 : x
  2. Step 2: Convert to fraction form
    22,634.13/31,238.85 = 13,202.69/x
  3. Step 3: Cross multiply
    22,634.13x = 31,238.85 × 13,202.69
  4. Step 4: Simplify right side
    22,634.13x = 412,436,852.51
  5. Step 5: Solve for x
    x = 412,436,852.51/22,634.13
  6. Step 6: Final answer
    x = 18,221.90

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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.