Home / 16,211.25-22,356.97-13,829.81

Finding the Fourth Proportional to 16,211.25, 22,356.97 and 13,829.81

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Solution

The fourth proportional to 16,211.25, 22,356.97 and 13,829.81 is: 19,072.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,211.25 : 22,356.97 = 13,829.81 : x
  2. Step 2: Convert to fraction form
    16,211.25/22,356.97 = 13,829.81/x
  3. Step 3: Cross multiply
    16,211.25x = 22,356.97 × 13,829.81
  4. Step 4: Simplify right side
    16,211.25x = 309,192,578.13
  5. Step 5: Solve for x
    x = 309,192,578.13/16,211.25
  6. Step 6: Final answer
    x = 19,072.72

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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.