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Finding the Fourth Proportional to 16,641.94, 22,934.30 and 11,918.02

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Solution

The fourth proportional to 16,641.94, 22,934.30 and 11,918.02 is: 16,424.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,641.94 : 22,934.30 = 11,918.02 : x
  2. Step 2: Convert to fraction form
    16,641.94/22,934.30 = 11,918.02/x
  3. Step 3: Cross multiply
    16,641.94x = 22,934.30 × 11,918.02
  4. Step 4: Simplify right side
    16,641.94x = 273,331,446.09
  5. Step 5: Solve for x
    x = 273,331,446.09/16,641.94
  6. Step 6: Final answer
    x = 16,424.25

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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.