Home / 18,186.53-27,276.71-5,035.83

Finding the Fourth Proportional to 18,186.53, 27,276.71 and 5,035.83

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Solution

The fourth proportional to 18,186.53, 27,276.71 and 5,035.83 is: 7,552.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,186.53 : 27,276.71 = 5,035.83 : x
  2. Step 2: Convert to fraction form
    18,186.53/27,276.71 = 5,035.83/x
  3. Step 3: Cross multiply
    18,186.53x = 27,276.71 × 5,035.83
  4. Step 4: Simplify right side
    18,186.53x = 137,360,887.11
  5. Step 5: Solve for x
    x = 137,360,887.11/18,186.53
  6. Step 6: Final answer
    x = 7,552.89

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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.