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Finding the Fourth Proportional to 18,597.26, 25,664.81 and 10,213.76

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Solution

The fourth proportional to 18,597.26, 25,664.81 and 10,213.76 is: 14,095.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.26 : 25,664.81 = 10,213.76 : x
  2. Step 2: Convert to fraction form
    18,597.26/25,664.81 = 10,213.76/x
  3. Step 3: Cross multiply
    18,597.26x = 25,664.81 × 10,213.76
  4. Step 4: Simplify right side
    18,597.26x = 262,134,209.79
  5. Step 5: Solve for x
    x = 262,134,209.79/18,597.26
  6. Step 6: Final answer
    x = 14,095.31

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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.