Home / 18,114.84-27,169.36-4,964.12

Finding the Fourth Proportional to 18,114.84, 27,169.36 and 4,964.12

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Solution

The fourth proportional to 18,114.84, 27,169.36 and 4,964.12 is: 7,445.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114.84 : 27,169.36 = 4,964.12 : x
  2. Step 2: Convert to fraction form
    18,114.84/27,169.36 = 4,964.12/x
  3. Step 3: Cross multiply
    18,114.84x = 27,169.36 × 4,964.12
  4. Step 4: Simplify right side
    18,114.84x = 134,871,963.36
  5. Step 5: Solve for x
    x = 134,871,963.36/18,114.84
  6. Step 6: Final answer
    x = 7,445.39

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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.