Home / 22,065.57-30,467.67-13,571.64

Finding the Fourth Proportional to 22,065.57, 30,467.67 and 13,571.64

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Solution

The fourth proportional to 22,065.57, 30,467.67 and 13,571.64 is: 18,739.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,065.57 : 30,467.67 = 13,571.64 : x
  2. Step 2: Convert to fraction form
    22,065.57/30,467.67 = 13,571.64/x
  3. Step 3: Cross multiply
    22,065.57x = 30,467.67 × 13,571.64
  4. Step 4: Simplify right side
    22,065.57x = 413,496,248.88
  5. Step 5: Solve for x
    x = 413,496,248.88/22,065.57
  6. Step 6: Final answer
    x = 18,739.43

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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.