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Finding the Fourth Proportional to 18,594.76, 25,661.36 and 10,211.26

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Solution

The fourth proportional to 18,594.76, 25,661.36 and 10,211.26 is: 14,091.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,594.76 : 25,661.36 = 10,211.26 : x
  2. Step 2: Convert to fraction form
    18,594.76/25,661.36 = 10,211.26/x
  3. Step 3: Cross multiply
    18,594.76x = 25,661.36 × 10,211.26
  4. Step 4: Simplify right side
    18,594.76x = 262,034,818.91
  5. Step 5: Solve for x
    x = 262,034,818.91/18,594.76
  6. Step 6: Final answer
    x = 14,091.86

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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.