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Finding the Fourth Proportional to 18,698.92, 25,804.44 and 10,741.66

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Solution

The fourth proportional to 18,698.92, 25,804.44 and 10,741.66 is: 14,823.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698.92 : 25,804.44 = 10,741.66 : x
  2. Step 2: Convert to fraction form
    18,698.92/25,804.44 = 10,741.66/x
  3. Step 3: Cross multiply
    18,698.92x = 25,804.44 × 10,741.66
  4. Step 4: Simplify right side
    18,698.92x = 277,182,520.97
  5. Step 5: Solve for x
    x = 277,182,520.97/18,698.92
  6. Step 6: Final answer
    x = 14,823.45

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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.