Home / 18,100.41-27,149.63-4,951.83

Finding the Fourth Proportional to 18,100.41, 27,149.63 and 4,951.83

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Solution

The fourth proportional to 18,100.41, 27,149.63 and 4,951.83 is: 7,427.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100.41 : 27,149.63 = 4,951.83 : x
  2. Step 2: Convert to fraction form
    18,100.41/27,149.63 = 4,951.83/x
  3. Step 3: Cross multiply
    18,100.41x = 27,149.63 × 4,951.83
  4. Step 4: Simplify right side
    18,100.41x = 134,440,457.23
  5. Step 5: Solve for x
    x = 134,440,457.23/18,100.41
  6. Step 6: Final answer
    x = 7,427.48

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1.5x scale

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.