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Finding the Fourth Proportional to 17,902.70, 26,873.67 and 14,228.54

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Solution

The fourth proportional to 17,902.70, 26,873.67 and 14,228.54 is: 21,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,902.70 : 26,873.67 = 14,228.54 : x
  2. Step 2: Convert to fraction form
    17,902.70/26,873.67 = 14,228.54/x
  3. Step 3: Cross multiply
    17,902.70x = 26,873.67 × 14,228.54
  4. Step 4: Simplify right side
    17,902.70x = 382,373,088.54
  5. Step 5: Solve for x
    x = 382,373,088.54/17,902.70
  6. Step 6: Final answer
    x = 21,358.40

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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.