Home / 22,455.46-30,989.24-13,843.54

Finding the Fourth Proportional to 22,455.46, 30,989.24 and 13,843.54

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Solution

The fourth proportional to 22,455.46, 30,989.24 and 13,843.54 is: 19,104.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,455.46 : 30,989.24 = 13,843.54 : x
  2. Step 2: Convert to fraction form
    22,455.46/30,989.24 = 13,843.54/x
  3. Step 3: Cross multiply
    22,455.46x = 30,989.24 × 13,843.54
  4. Step 4: Simplify right side
    22,455.46x = 429,000,783.51
  5. Step 5: Solve for x
    x = 429,000,783.51/22,455.46
  6. Step 6: Final answer
    x = 19,104.52

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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.