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Finding the Fourth Proportional to 18,076.91, 24,946.61 and 10,119.15

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Solution

The fourth proportional to 18,076.91, 24,946.61 and 10,119.15 is: 13,964.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,076.91 : 24,946.61 = 10,119.15 : x
  2. Step 2: Convert to fraction form
    18,076.91/24,946.61 = 10,119.15/x
  3. Step 3: Cross multiply
    18,076.91x = 24,946.61 × 10,119.15
  4. Step 4: Simplify right side
    18,076.91x = 252,438,437.99
  5. Step 5: Solve for x
    x = 252,438,437.99/18,076.91
  6. Step 6: Final answer
    x = 13,964.69

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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.