Home / 18,230.39-25,168.86-11,953.70

Finding the Fourth Proportional to 18,230.39, 25,168.86 and 11,953.70

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Solution

The fourth proportional to 18,230.39, 25,168.86 and 11,953.70 is: 16,503.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,230.39 : 25,168.86 = 11,953.70 : x
  2. Step 2: Convert to fraction form
    18,230.39/25,168.86 = 11,953.70/x
  3. Step 3: Cross multiply
    18,230.39x = 25,168.86 × 11,953.70
  4. Step 4: Simplify right side
    18,230.39x = 300,861,001.78
  5. Step 5: Solve for x
    x = 300,861,001.78/18,230.39
  6. Step 6: Final answer
    x = 16,503.27

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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.