Home / 18,226.28-25,156.36-11,935

Finding the Fourth Proportional to 18,226.28, 25,156.36 and 11,935

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Solution

The fourth proportional to 18,226.28, 25,156.36 and 11,935 is: 16,472.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,226.28 : 25,156.36 = 11,935 : x
  2. Step 2: Convert to fraction form
    18,226.28/25,156.36 = 11,935/x
  3. Step 3: Cross multiply
    18,226.28x = 25,156.36 × 11,935
  4. Step 4: Simplify right side
    18,226.28x = 300,241,156.60
  5. Step 5: Solve for x
    x = 300,241,156.60/18,226.28
  6. Step 6: Final answer
    x = 16,472.98

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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.