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Finding the Fourth Proportional to 18,974.84, 26,184.68 and 10,476.84

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Solution

The fourth proportional to 18,974.84, 26,184.68 and 10,476.84 is: 14,457.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974.84 : 26,184.68 = 10,476.84 : x
  2. Step 2: Convert to fraction form
    18,974.84/26,184.68 = 10,476.84/x
  3. Step 3: Cross multiply
    18,974.84x = 26,184.68 × 10,476.84
  4. Step 4: Simplify right side
    18,974.84x = 274,332,702.81
  5. Step 5: Solve for x
    x = 274,332,702.81/18,974.84
  6. Step 6: Final answer
    x = 14,457.71

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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.