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Finding the Fourth Proportional to 22,187.25, 30,601.09 and 14,230.08

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Solution

The fourth proportional to 22,187.25, 30,601.09 and 14,230.08 is: 19,626.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,187.25 : 30,601.09 = 14,230.08 : x
  2. Step 2: Convert to fraction form
    22,187.25/30,601.09 = 14,230.08/x
  3. Step 3: Cross multiply
    22,187.25x = 30,601.09 × 14,230.08
  4. Step 4: Simplify right side
    22,187.25x = 435,455,805.78
  5. Step 5: Solve for x
    x = 435,455,805.78/22,187.25
  6. Step 6: Final answer
    x = 19,626.40

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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.