Home / 22,736.79-31,372.62-12,664.98

Finding the Fourth Proportional to 22,736.79, 31,372.62 and 12,664.98

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Solution

The fourth proportional to 22,736.79, 31,372.62 and 12,664.98 is: 17,475.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,736.79 : 31,372.62 = 12,664.98 : x
  2. Step 2: Convert to fraction form
    22,736.79/31,372.62 = 12,664.98/x
  3. Step 3: Cross multiply
    22,736.79x = 31,372.62 × 12,664.98
  4. Step 4: Simplify right side
    22,736.79x = 397,333,604.85
  5. Step 5: Solve for x
    x = 397,333,604.85/22,736.79
  6. Step 6: Final answer
    x = 17,475.36

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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.