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Finding the Fourth Proportional to 18,086.87, 24,960.06 and 10,020.70

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Solution

The fourth proportional to 18,086.87, 24,960.06 and 10,020.70 is: 13,828.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,086.87 : 24,960.06 = 10,020.70 : x
  2. Step 2: Convert to fraction form
    18,086.87/24,960.06 = 10,020.70/x
  3. Step 3: Cross multiply
    18,086.87x = 24,960.06 × 10,020.70
  4. Step 4: Simplify right side
    18,086.87x = 250,117,173.26
  5. Step 5: Solve for x
    x = 250,117,173.26/18,086.87
  6. Step 6: Final answer
    x = 13,828.66

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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.