Home / 18,166.36-27,250.70-4,839.13

Finding the Fourth Proportional to 18,166.36, 27,250.70 and 4,839.13

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Solution

The fourth proportional to 18,166.36, 27,250.70 and 4,839.13 is: 7,259.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166.36 : 27,250.70 = 4,839.13 : x
  2. Step 2: Convert to fraction form
    18,166.36/27,250.70 = 4,839.13/x
  3. Step 3: Cross multiply
    18,166.36x = 27,250.70 × 4,839.13
  4. Step 4: Simplify right side
    18,166.36x = 131,869,679.89
  5. Step 5: Solve for x
    x = 131,869,679.89/18,166.36
  6. Step 6: Final answer
    x = 7,259.00

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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.