Home / 22,644.72-31,251.70-13,216.32

Finding the Fourth Proportional to 22,644.72, 31,251.70 and 13,216.32

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Solution

The fourth proportional to 22,644.72, 31,251.70 and 13,216.32 is: 18,239.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,644.72 : 31,251.70 = 13,216.32 : x
  2. Step 2: Convert to fraction form
    22,644.72/31,251.70 = 13,216.32/x
  3. Step 3: Cross multiply
    22,644.72x = 31,251.70 × 13,216.32
  4. Step 4: Simplify right side
    22,644.72x = 413,032,467.74
  5. Step 5: Solve for x
    x = 413,032,467.74/22,644.72
  6. Step 6: Final answer
    x = 18,239.68

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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.