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Finding the Fourth Proportional to 18,626.71, 27,904.89 and 14,446.24

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Solution

The fourth proportional to 18,626.71, 27,904.89 and 14,446.24 is: 21,642.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,626.71 : 27,904.89 = 14,446.24 : x
  2. Step 2: Convert to fraction form
    18,626.71/27,904.89 = 14,446.24/x
  3. Step 3: Cross multiply
    18,626.71x = 27,904.89 × 14,446.24
  4. Step 4: Simplify right side
    18,626.71x = 403,120,738.11
  5. Step 5: Solve for x
    x = 403,120,738.11/18,626.71
  6. Step 6: Final answer
    x = 21,642.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.