Home / 31,625.62-47,462.92-11,922.10

Finding the Fourth Proportional to 31,625.62, 47,462.92 and 11,922.10

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Solution

The fourth proportional to 31,625.62, 47,462.92 and 11,922.10 is: 17,892.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,625.62 : 47,462.92 = 11,922.10 : x
  2. Step 2: Convert to fraction form
    31,625.62/47,462.92 = 11,922.10/x
  3. Step 3: Cross multiply
    31,625.62x = 47,462.92 × 11,922.10
  4. Step 4: Simplify right side
    31,625.62x = 565,857,678.53
  5. Step 5: Solve for x
    x = 565,857,678.53/31,625.62
  6. Step 6: Final answer
    x = 17,892.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.