Home / 18,217.80-25,142.94-10,261.56

Finding the Fourth Proportional to 18,217.80, 25,142.94 and 10,261.56

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Solution

The fourth proportional to 18,217.80, 25,142.94 and 10,261.56 is: 14,162.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.80 : 25,142.94 = 10,261.56 : x
  2. Step 2: Convert to fraction form
    18,217.80/25,142.94 = 10,261.56/x
  3. Step 3: Cross multiply
    18,217.80x = 25,142.94 × 10,261.56
  4. Step 4: Simplify right side
    18,217.80x = 258,005,787.39
  5. Step 5: Solve for x
    x = 258,005,787.39/18,217.80
  6. Step 6: Final answer
    x = 14,162.29

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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.