Home / 22,942.53-31,662.85-13,381.68

Finding the Fourth Proportional to 22,942.53, 31,662.85 and 13,381.68

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Solution

The fourth proportional to 22,942.53, 31,662.85 and 13,381.68 is: 18,467.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,942.53 : 31,662.85 = 13,381.68 : x
  2. Step 2: Convert to fraction form
    22,942.53/31,662.85 = 13,381.68/x
  3. Step 3: Cross multiply
    22,942.53x = 31,662.85 × 13,381.68
  4. Step 4: Simplify right side
    22,942.53x = 423,702,147.91
  5. Step 5: Solve for x
    x = 423,702,147.91/22,942.53
  6. Step 6: Final answer
    x = 18,467.98

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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.