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Finding the Fourth Proportional to 16,643.64, 22,933.62 and 11,329.23

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Solution

The fourth proportional to 16,643.64, 22,933.62 and 11,329.23 is: 15,610.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,643.64 : 22,933.62 = 11,329.23 : x
  2. Step 2: Convert to fraction form
    16,643.64/22,933.62 = 11,329.23/x
  3. Step 3: Cross multiply
    16,643.64x = 22,933.62 × 11,329.23
  4. Step 4: Simplify right side
    16,643.64x = 259,820,255.71
  5. Step 5: Solve for x
    x = 259,820,255.71/16,643.64
  6. Step 6: Final answer
    x = 15,610.78

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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.