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Finding the Fourth Proportional to 18,843, 26,003.34 and 10,460.28

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Solution

The fourth proportional to 18,843, 26,003.34 and 10,460.28 is: 14,435.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,843 : 26,003.34 = 10,460.28 : x
  2. Step 2: Convert to fraction form
    18,843/26,003.34 = 10,460.28/x
  3. Step 3: Cross multiply
    18,843x = 26,003.34 × 10,460.28
  4. Step 4: Simplify right side
    18,843x = 272,002,217.34
  5. Step 5: Solve for x
    x = 272,002,217.34/18,843
  6. Step 6: Final answer
    x = 14,435.19

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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.