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Finding the Fourth Proportional to 18,749, 25,874.16 and 10,366.04

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Solution

The fourth proportional to 18,749, 25,874.16 and 10,366.04 is: 14,305.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749 : 25,874.16 = 10,366.04 : x
  2. Step 2: Convert to fraction form
    18,749/25,874.16 = 10,366.04/x
  3. Step 3: Cross multiply
    18,749x = 25,874.16 × 10,366.04
  4. Step 4: Simplify right side
    18,749x = 268,212,577.53
  5. Step 5: Solve for x
    x = 268,212,577.53/18,749
  6. Step 6: Final answer
    x = 14,305.43

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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.