Home / 18,086.12-27,124.93-4,935.36

Finding the Fourth Proportional to 18,086.12, 27,124.93 and 4,935.36

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Solution

The fourth proportional to 18,086.12, 27,124.93 and 4,935.36 is: 7,401.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,086.12 : 27,124.93 = 4,935.36 : x
  2. Step 2: Convert to fraction form
    18,086.12/27,124.93 = 4,935.36/x
  3. Step 3: Cross multiply
    18,086.12x = 27,124.93 × 4,935.36
  4. Step 4: Simplify right side
    18,086.12x = 133,871,374.65
  5. Step 5: Solve for x
    x = 133,871,374.65/18,086.12
  6. Step 6: Final answer
    x = 7,401.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.