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Finding the Fourth Proportional to 18,967.70, 26,175.41 and 10,584.20

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Solution

The fourth proportional to 18,967.70, 26,175.41 and 10,584.20 is: 14,606.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,967.70 : 26,175.41 = 10,584.20 : x
  2. Step 2: Convert to fraction form
    18,967.70/26,175.41 = 10,584.20/x
  3. Step 3: Cross multiply
    18,967.70x = 26,175.41 × 10,584.20
  4. Step 4: Simplify right side
    18,967.70x = 277,045,774.52
  5. Step 5: Solve for x
    x = 277,045,774.52/18,967.70
  6. Step 6: Final answer
    x = 14,606.19

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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.