Home / 22,571.99-31,141.68-13,011.57

Finding the Fourth Proportional to 22,571.99, 31,141.68 and 13,011.57

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Solution

The fourth proportional to 22,571.99, 31,141.68 and 13,011.57 is: 17,951.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,571.99 : 31,141.68 = 13,011.57 : x
  2. Step 2: Convert to fraction form
    22,571.99/31,141.68 = 13,011.57/x
  3. Step 3: Cross multiply
    22,571.99x = 31,141.68 × 13,011.57
  4. Step 4: Simplify right side
    22,571.99x = 405,202,149.24
  5. Step 5: Solve for x
    x = 405,202,149.24/22,571.99
  6. Step 6: Final answer
    x = 17,951.55

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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.