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Finding the Fourth Proportional to 18,597.89, 25,665.27 and 10,214.39

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Solution

The fourth proportional to 18,597.89, 25,665.27 and 10,214.39 is: 14,095.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.89 : 25,665.27 = 10,214.39 : x
  2. Step 2: Convert to fraction form
    18,597.89/25,665.27 = 10,214.39/x
  3. Step 3: Cross multiply
    18,597.89x = 25,665.27 × 10,214.39
  4. Step 4: Simplify right side
    18,597.89x = 262,155,077.24
  5. Step 5: Solve for x
    x = 262,155,077.24/18,597.89
  6. Step 6: Final answer
    x = 14,095.96

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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.