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Finding the Fourth Proportional to 18,293.67, 25,245.14 and 10,337.45

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Solution

The fourth proportional to 18,293.67, 25,245.14 and 10,337.45 is: 14,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293.67 : 25,245.14 = 10,337.45 : x
  2. Step 2: Convert to fraction form
    18,293.67/25,245.14 = 10,337.45/x
  3. Step 3: Cross multiply
    18,293.67x = 25,245.14 × 10,337.45
  4. Step 4: Simplify right side
    18,293.67x = 260,970,194.58
  5. Step 5: Solve for x
    x = 260,970,194.58/18,293.67
  6. Step 6: Final answer
    x = 14,265.60

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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.