Home / 18,131.10-27,197.32-4,984.50

Finding the Fourth Proportional to 18,131.10, 27,197.32 and 4,984.50

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Solution

The fourth proportional to 18,131.10, 27,197.32 and 4,984.50 is: 7,476.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131.10 : 27,197.32 = 4,984.50 : x
  2. Step 2: Convert to fraction form
    18,131.10/27,197.32 = 4,984.50/x
  3. Step 3: Cross multiply
    18,131.10x = 27,197.32 × 4,984.50
  4. Step 4: Simplify right side
    18,131.10x = 135,565,041.54
  5. Step 5: Solve for x
    x = 135,565,041.54/18,131.10
  6. Step 6: Final answer
    x = 7,476.93

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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.