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Finding the Fourth Proportional to 18,801.46, 25,946.74 and 10,736.43

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Solution

The fourth proportional to 18,801.46, 25,946.74 and 10,736.43 is: 14,816.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,801.46 : 25,946.74 = 10,736.43 : x
  2. Step 2: Convert to fraction form
    18,801.46/25,946.74 = 10,736.43/x
  3. Step 3: Cross multiply
    18,801.46x = 25,946.74 × 10,736.43
  4. Step 4: Simplify right side
    18,801.46x = 278,575,312.23
  5. Step 5: Solve for x
    x = 278,575,312.23/18,801.46
  6. Step 6: Final answer
    x = 14,816.68

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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.