Home / 18,178.49-25,089.90-11,796.11

Finding the Fourth Proportional to 18,178.49, 25,089.90 and 11,796.11

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Solution

The fourth proportional to 18,178.49, 25,089.90 and 11,796.11 is: 16,280.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,178.49 : 25,089.90 = 11,796.11 : x
  2. Step 2: Convert to fraction form
    18,178.49/25,089.90 = 11,796.11/x
  3. Step 3: Cross multiply
    18,178.49x = 25,089.90 × 11,796.11
  4. Step 4: Simplify right side
    18,178.49x = 295,963,283.01
  5. Step 5: Solve for x
    x = 295,963,283.01/18,178.49
  6. Step 6: Final answer
    x = 16,280.97

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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.