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Finding the Fourth Proportional to 18,022.87, 24,871.94 and 10,065.11

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Solution

The fourth proportional to 18,022.87, 24,871.94 and 10,065.11 is: 13,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,022.87 : 24,871.94 = 10,065.11 : x
  2. Step 2: Convert to fraction form
    18,022.87/24,871.94 = 10,065.11/x
  3. Step 3: Cross multiply
    18,022.87x = 24,871.94 × 10,065.11
  4. Step 4: Simplify right side
    18,022.87x = 250,338,637.33
  5. Step 5: Solve for x
    x = 250,338,637.33/18,022.87
  6. Step 6: Final answer
    x = 13,890.05

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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.