Home / 16,279.06-22,424.92-13,881.23

Finding the Fourth Proportional to 16,279.06, 22,424.92 and 13,881.23

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Solution

The fourth proportional to 16,279.06, 22,424.92 and 13,881.23 is: 19,121.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,279.06 : 22,424.92 = 13,881.23 : x
  2. Step 2: Convert to fraction form
    16,279.06/22,424.92 = 13,881.23/x
  3. Step 3: Cross multiply
    16,279.06x = 22,424.92 × 13,881.23
  4. Step 4: Simplify right side
    16,279.06x = 311,285,472.25
  5. Step 5: Solve for x
    x = 311,285,472.25/16,279.06
  6. Step 6: Final answer
    x = 19,121.83

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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.